[rm-sled] Remove the Sled database engine

28 files changed, 34 insertions, 519 deletions

diff --git a/Cargo.lock b/Cargo.lock
index f1aa93bf..284e2276 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -922,15 +922,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "crossbeam-epoch"
-version = "0.9.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b82ac4a3c2ca9c3460964f020e1402edd5753411d7737aa39c3714ad1b5420e"
-dependencies = [
- "crossbeam-utils",
-]
-
-[[package]]
 name = "crossbeam-queue"
 version = "0.3.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1223,16 +1214,6 @@ name = "format_table"
 version = "0.1.1"
 
 [[package]]
-name = "fs2"
-version = "0.4.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9564fc758e15025b46aa6643b1b77d047d1a56a1aea6e01002ac0c7026876213"
-dependencies = [
- "libc",
- "winapi",
-]
-
-[[package]]
 name = "futures"
 version = "0.3.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1322,15 +1303,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "fxhash"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c31b6d751ae2c7f11320402d34e41349dd1016f8d5d45e48c4312bc8625af50c"
-dependencies = [
- "byteorder",
-]
-
-[[package]]
 name = "garage"
 version = "0.10.0"
 dependencies = [
@@ -1472,7 +1444,6 @@ dependencies = [
  "hexdump",
  "mktemp",
  "rusqlite",
- "sled",
  "tracing",
 ]
 
@@ -3832,22 +3803,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "sled"
-version = "0.34.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f96b4737c2ce5987354855aed3797279def4ebf734436c6aa4552cf8e169935"
-dependencies = [
- "crc32fast",
- "crossbeam-epoch",
- "crossbeam-utils",
- "fs2",
- "fxhash",
- "libc",
- "log",
- "parking_lot 0.11.2",
-]
-
-[[package]]
 name = "smallvec"
 version = "1.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/Cargo.nix b/Cargo.nix
index cd485416..0bc28ecd 100644
--- a/Cargo.nix
+++ b/Cargo.nix
@@ -34,7 +34,7 @@ args@{
   ignoreLockHash,
 }:
 let
-  nixifiedLockHash = "c3296a54f1c6f385e0d4a4a937734f1fe0fee4405b44d7462249d72675f7ac40";
+  nixifiedLockHash = "23e1504df44ec18cfc5c872c858154304c16da2a6c1f7c9f06608ef833815f30";
   workspaceSrc = if args.workspaceSrc == null then ./. else args.workspaceSrc;
   currentLockHash = builtins.hashFile "sha256" (workspaceSrc + /Cargo.lock);
   lockHashIgnored = if ignoreLockHash
@@ -1315,21 +1315,6 @@ in
     };
   });
   
-  "registry+https://github.com/rust-lang/crates.io-index".crossbeam-epoch."0.9.18" = overridableMkRustCrate (profileName: rec {
-    name = "crossbeam-epoch";
-    version = "0.9.18";
-    registry = "registry+https://github.com/rust-lang/crates.io-index";
-    src = fetchCratesIo { inherit name version; sha256 = "5b82ac4a3c2ca9c3460964f020e1402edd5753411d7737aa39c3714ad1b5420e"; };
-    features = builtins.concatLists [
-      (lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled") "alloc")
-      (lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled") "default")
-      (lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled") "std")
-    ];
-    dependencies = {
-      ${ if rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled" then "crossbeam_utils" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".crossbeam-utils."0.8.19" { inherit profileName; }).out;
-    };
-  });
-  
   "registry+https://github.com/rust-lang/crates.io-index".crossbeam-queue."0.3.11" = overridableMkRustCrate (profileName: rec {
     name = "crossbeam-queue";
     version = "0.3.11";
@@ -1351,7 +1336,6 @@ in
     registry = "registry+https://github.com/rust-lang/crates.io-index";
     src = fetchCratesIo { inherit name version; sha256 = "248e3bacc7dc6baa3b21e405ee045c3047101a49145e7e9eca583ab4c2ca5345"; };
     features = builtins.concatLists [
-      (lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled") "default")
       [ "std" ]
     ];
   });
@@ -1775,17 +1759,6 @@ in
     src = fetchCrateLocal (workspaceSrc + "/src/format-table");
   });
   
-  "registry+https://github.com/rust-lang/crates.io-index".fs2."0.4.3" = overridableMkRustCrate (profileName: rec {
-    name = "fs2";
-    version = "0.4.3";
-    registry = "registry+https://github.com/rust-lang/crates.io-index";
-    src = fetchCratesIo { inherit name version; sha256 = "9564fc758e15025b46aa6643b1b77d047d1a56a1aea6e01002ac0c7026876213"; };
-    dependencies = {
-      ${ if (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled") && hostPlatform.isUnix then "libc" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".libc."0.2.153" { inherit profileName; }).out;
-      ${ if (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled") && hostPlatform.isWindows then "winapi" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".winapi."0.3.9" { inherit profileName; }).out;
-    };
-  });
-  
   "registry+https://github.com/rust-lang/crates.io-index".futures."0.3.30" = overridableMkRustCrate (profileName: rec {
     name = "futures";
     version = "0.3.30";
@@ -1937,16 +1910,6 @@ in
     };
   });
   
-  "registry+https://github.com/rust-lang/crates.io-index".fxhash."0.2.1" = overridableMkRustCrate (profileName: rec {
-    name = "fxhash";
-    version = "0.2.1";
-    registry = "registry+https://github.com/rust-lang/crates.io-index";
-    src = fetchCratesIo { inherit name version; sha256 = "c31b6d751ae2c7f11320402d34e41349dd1016f8d5d45e48c4312bc8625af50c"; };
-    dependencies = {
-      ${ if rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled" then "byteorder" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".byteorder."1.5.0" { inherit profileName; }).out;
-    };
-  });
-  
   "unknown".garage."0.10.0" = overridableMkRustCrate (profileName: rec {
     name = "garage";
     version = "0.10.0";
@@ -1963,7 +1926,6 @@ in
       (lib.optional (rootFeatures' ? "garage/opentelemetry-otlp" || rootFeatures' ? "garage/telemetry-otlp") "opentelemetry-otlp")
       (lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/metrics" || rootFeatures' ? "garage/opentelemetry-prometheus") "opentelemetry-prometheus")
       (lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/metrics" || rootFeatures' ? "garage/prometheus") "prometheus")
-      (lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled") "sled")
       (lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sqlite") "sqlite")
       (lib.optional (rootFeatures' ? "garage/system-libs") "system-libs")
       (lib.optional (rootFeatures' ? "garage/telemetry-otlp") "telemetry-otlp")
@@ -2127,7 +2089,6 @@ in
       (lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/lmdb" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/heed" || rootFeatures' ? "garage_db/lmdb" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/lmdb") "heed")
       (lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/lmdb" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/lmdb" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/lmdb") "lmdb")
       (lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sqlite" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/rusqlite" || rootFeatures' ? "garage_db/sqlite" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sqlite") "rusqlite")
-      (lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled") "sled")
       (lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sqlite" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sqlite" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sqlite") "sqlite")
     ];
     dependencies = {
@@ -2135,7 +2096,6 @@ in
       ${ if rootFeatures' ? "garage/default" || rootFeatures' ? "garage/lmdb" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/heed" || rootFeatures' ? "garage_db/lmdb" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/lmdb" then "heed" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".heed."0.11.0" { inherit profileName; }).out;
       hexdump = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".hexdump."0.1.1" { inherit profileName; }).out;
       ${ if rootFeatures' ? "garage/bundled-libs" || rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sqlite" || rootFeatures' ? "garage_db/bundled-libs" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/rusqlite" || rootFeatures' ? "garage_db/sqlite" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sqlite" then "rusqlite" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rusqlite."0.30.0" { inherit profileName; }).out;
-      ${ if rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled" then "sled" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".sled."0.34.7" { inherit profileName; }).out;
       tracing = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tracing."0.1.40" { inherit profileName; }).out;
     };
     devDependencies = {
@@ -2152,7 +2112,6 @@ in
       (lib.optional (rootFeatures' ? "garage_model/default") "default")
       (lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/k2v" || rootFeatures' ? "garage_api/k2v" || rootFeatures' ? "garage_model/k2v") "k2v")
       (lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/lmdb" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/lmdb") "lmdb")
-      (lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled") "sled")
       (lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sqlite" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sqlite") "sqlite")
     ];
     dependencies = {
@@ -5459,27 +5418,6 @@ in
     };
   });
   
-  "registry+https://github.com/rust-lang/crates.io-index".sled."0.34.7" = overridableMkRustCrate (profileName: rec {
-    name = "sled";
-    version = "0.34.7";
-    registry = "registry+https://github.com/rust-lang/crates.io-index";
-    src = fetchCratesIo { inherit name version; sha256 = "7f96b4737c2ce5987354855aed3797279def4ebf734436c6aa4552cf8e169935"; };
-    features = builtins.concatLists [
-      (lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled") "default")
-      (lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled") "no_metrics")
-    ];
-    dependencies = {
-      ${ if rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled" then "crc32fast" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".crc32fast."1.3.2" { inherit profileName; }).out;
-      ${ if rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled" then "crossbeam_epoch" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".crossbeam-epoch."0.9.18" { inherit profileName; }).out;
-      ${ if rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled" then "crossbeam_utils" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".crossbeam-utils."0.8.19" { inherit profileName; }).out;
-      ${ if (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled") && (hostPlatform.parsed.kernel.name == "linux" || hostPlatform.parsed.kernel.name == "darwin" || hostPlatform.parsed.kernel.name == "windows") then "fs2" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".fs2."0.4.3" { inherit profileName; }).out;
-      ${ if rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled" then "fxhash" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".fxhash."0.2.1" { inherit profileName; }).out;
-      ${ if rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled" then "libc" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".libc."0.2.153" { inherit profileName; }).out;
-      ${ if rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled" then "log" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".log."0.4.20" { inherit profileName; }).out;
-      ${ if rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled" then "parking_lot" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".parking_lot."0.11.2" { inherit profileName; }).out;
-    };
-  });
-  
   "registry+https://github.com/rust-lang/crates.io-index".smallvec."1.13.1" = overridableMkRustCrate (profileName: rec {
     name = "smallvec";
     version = "1.13.1";
@@ -6723,7 +6661,6 @@ in
       [ "minwindef" ]
       [ "ntstatus" ]
       [ "processenv" ]
-      (lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled") "processthreadsapi")
       [ "std" ]
       [ "synchapi" ]
       [ "sysinfoapi" ]
diff --git a/Cargo.toml b/Cargo.toml
index c259c7f2..f40e8738 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -78,7 +78,6 @@ tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 
 heed = { version = "0.11", default-features = false, features = ["lmdb"] }
 rusqlite = "0.30.0"
-sled = "0.34"
 
 async-compression = { version = "0.4", features = ["tokio", "zstd"] }
 zstd = { version = "0.13", default-features = false }
diff --git a/default.nix b/default.nix
index ecdf6436..57bc24a5 100644
--- a/default.nix
+++ b/default.nix
@@ -40,7 +40,6 @@ in {
       features = [
         "garage/bundled-libs"
         "garage/k2v"
-        "garage/sled"
         "garage/lmdb"
         "garage/sqlite"
       ];
diff --git a/doc/api/garage-admin-v1.yml b/doc/api/garage-admin-v1.yml
index fd78feb1..1ea77b2e 100644
--- a/doc/api/garage-admin-v1.yml
+++ b/doc/api/garage-admin-v1.yml
@@ -98,7 +98,6 @@ paths:
                       type: string
                     example:
                       - "k2v"
-                      - "sled"
                       - "lmdb"
                       - "sqlite"
                       - "consul-discovery"
diff --git a/doc/book/connect/apps/index.md b/doc/book/connect/apps/index.md
index 5def3851..9a678275 100644
--- a/doc/book/connect/apps/index.md
+++ b/doc/book/connect/apps/index.md
@@ -292,7 +292,7 @@ with average object size ranging from 50 KB to 150 KB.
 As such, your Garage cluster should be configured appropriately for good performance:
 
 - use Garage v0.8.0 or higher with the [LMDB database engine](@documentation/reference-manual/configuration.md#db-engine-since-v0-8-0).
-  With the default Sled database engine, your database could quickly end up taking tens of GB of disk space.
+  Older versions of Garage used the Sled database engine which had issues, such as databases quickly ending up taking tens of GB of disk space.
 - the Garage database should be stored on a SSD
 
 ### Creating your bucket
diff --git a/doc/book/cookbook/from-source.md b/doc/book/cookbook/from-source.md
index bacf93ab..f7fd17ce 100644
--- a/doc/book/cookbook/from-source.md
+++ b/doc/book/cookbook/from-source.md
@@ -90,6 +90,5 @@ The following feature flags are available in v0.8.0:
 | `kubernetes-discovery` | optional | Enable automatic registration and discovery<br>of cluster nodes through the Kubernetes API |
 | `metrics` | *by default* | Enable collection of metrics in Prometheus format on the admin API |
 | `telemetry-otlp` | optional | Enable collection of execution traces using OpenTelemetry |
-| `sled` | *by default* | Enable using Sled to store Garage's metadata |
-| `lmdb` | optional | Enable using LMDB to store Garage's metadata |
+| `lmdb` | *by default* | Enable using LMDB to store Garage's metadata |
 | `sqlite` | optional | Enable using Sqlite3 to store Garage's metadata |
diff --git a/doc/book/cookbook/real-world.md b/doc/book/cookbook/real-world.md
index cb10b550..30be4907 100644
--- a/doc/book/cookbook/real-world.md
+++ b/doc/book/cookbook/real-world.md
@@ -70,9 +70,8 @@ to store 2 TB of data in total.
 
 - If you only have an HDD and no SSD, it's fine to put your metadata alongside the data
   on the same drive. Having lots of RAM for your kernel to cache the metadata will
-  help a lot with performance.  Make sure to use the LMDB database engine,
-  instead of Sled, which suffers from quite bad performance degradation on HDDs.
-  Sled is still the default for legacy reasons, but is not recommended anymore.
+  help a lot with performance.  The default LMDB database engine is the most tested
+  and has good performance.
 
 - For the metadata storage, Garage does not do checksumming and integrity
   verification on its own. If you are afraid of bitrot/data corruption,
diff --git a/doc/book/design/internals.md b/doc/book/design/internals.md
index cefb7acc..8e3c214e 100644
--- a/doc/book/design/internals.md
+++ b/doc/book/design/internals.md
@@ -97,7 +97,7 @@ delete a tombstone, the following condition has to be met:
   superseeded by the tombstone. This ensures that deleting the tombstone is
   safe and that no deleted value will come back in the system.
 
-Garage makes use of Sled's atomic operations (such as compare-and-swap and
+Garage uses atomic database operations (such as compare-and-swap and
 transactions) to ensure that only tombstones that have been correctly
 propagated to other nodes are ever deleted from the local entry tree.
 
diff --git a/doc/book/reference-manual/configuration.md b/doc/book/reference-manual/configuration.md
index 580e9fbc..4df2d0df 100644
--- a/doc/book/reference-manual/configuration.md
+++ b/doc/book/reference-manual/configuration.md
@@ -20,8 +20,6 @@ db_engine = "lmdb"
 
 block_size = "1M"
 
-sled_cache_capacity = "128MiB"
-sled_flush_every_ms = 2000
 lmdb_map_size = "1T"
 
 compression_level = 1
@@ -96,9 +94,7 @@ Top-level configuration options:
 [`rpc_bind_addr`](#rpc_bind_addr),
 [`rpc_bind_outgoing`](#rpc_bind_outgoing),
 [`rpc_public_addr`](#rpc_public_addr),
-[`rpc_secret`/`rpc_secret_file`](#rpc_secret),
-[`sled_cache_capacity`](#sled_cache_capacity),
-[`sled_flush_every_ms`](#sled_flush_every_ms).
+[`rpc_secret`/`rpc_secret_file`](#rpc_secret).
 
 The `[consul_discovery]` section:
 [`api`](#consul_api),
@@ -271,20 +267,16 @@ Since `v0.8.0`, Garage can use alternative storage backends as follows:
 
 | DB engine | `db_engine` value | Database path |
 | --------- | ----------------- | ------------- |
-| [LMDB](https://www.lmdb.tech) (default since `v0.9.0`) | `"lmdb"` | `<metadata_dir>/db.lmdb/` |
-| [Sled](https://sled.rs) (default up to `v0.8.0`) | `"sled"` | `<metadata_dir>/db/` |
-| [Sqlite](https://sqlite.org) | `"sqlite"` | `<metadata_dir>/db.sqlite` |
+| [LMDB](https://www.lmdb.tech) (since `v0.8.0`, default since `v0.9.0`) | `"lmdb"` | `<metadata_dir>/db.lmdb/` |
+| [Sqlite](https://sqlite.org) (since `v0.8.0`) | `"sqlite"` | `<metadata_dir>/db.sqlite` |
+| [Sled](https://sled.rs) (old default, removed since `v1.0`) | `"sled"` | `<metadata_dir>/db/` |
 
-Sled was the only database engine up to Garage v0.7.0. Performance issues and
-API limitations of Sled prompted the addition of alternative engines in v0.8.0.
-Since v0.9.0, LMDB is the default engine instead of Sled, and Sled is
-deprecated. We plan to remove Sled in Garage v1.0.
+Sled was supported until Garage v0.9.x, and was removed in Garage v1.0.
+You can still use an older binary of Garage (e.g. v0.9.3) to migrate
+old Sled metadata databases to another engine.
 
 Performance characteristics of the different DB engines are as follows:
 
-- Sled: tends to produce large data files and also has performance issues,
-  especially when the metadata folder is on a traditional HDD and not on SSD.
-
 - LMDB: the recommended database engine on 64-bit systems, much more
   space-efficient and slightly faster. Note that the data format of LMDB is not
   portable between architectures, so for instance the Garage database of an
@@ -333,7 +325,6 @@ Here is how this option impacts the different database engines:
 
 | Database | `metadata_fsync = false` (default) | `metadata_fsync = true`       |
 |----------|------------------------------------|-------------------------------|
-| Sled     | default options                    | *unsupported*                 |
 | Sqlite   | `PRAGMA synchronous = OFF`         | `PRAGMA synchronous = NORMAL` |
 | LMDB     | `MDB_NOMETASYNC` + `MDB_NOSYNC`    | `MDB_NOMETASYNC`              |
 
@@ -367,21 +358,6 @@ files will remain available. This however means that chunks from existing files
 will not be deduplicated with chunks from newly uploaded files, meaning you
 might use more storage space that is optimally possible.
 
-#### `sled_cache_capacity` {#sled_cache_capacity}
-
-This parameter can be used to tune the capacity of the cache used by
-[sled](https://sled.rs), the database Garage uses internally to store metadata.
-Tune this to fit the RAM you wish to make available to your Garage instance.
-This value has a conservative default (128MB) so that Garage doesn't use too much
-RAM by default, but feel free to increase this for higher performance.
-
-#### `sled_flush_every_ms` {#sled_flush_every_ms}
-
-This parameters can be used to tune the flushing interval of sled.
-Increase this if sled is thrashing your SSD, at the risk of losing more data in case
-of a power outage (though this should not matter much as data is replicated on other
-nodes). The default value, 2000ms, should be appropriate for most use cases.
-
 #### `lmdb_map_size` {#lmdb_map_size}
 
 This parameters can be used to set the map size used by LMDB,
diff --git a/doc/drafts/admin-api.md b/doc/drafts/admin-api.md
index e7851ab1..40c82f5a 100644
--- a/doc/drafts/admin-api.md
+++ b/doc/drafts/admin-api.md
@@ -73,7 +73,6 @@ Example response body:
   "garageVersion": "v0.10.0",
   "garageFeatures": [
     "k2v",
-    "sled",
     "lmdb",
     "sqlite",
     "metrics",
diff --git a/doc/drafts/k2v-spec.md b/doc/drafts/k2v-spec.md
index faa1a247..3956fa31 100644
--- a/doc/drafts/k2v-spec.md
+++ b/doc/drafts/k2v-spec.md
@@ -146,7 +146,7 @@ in a bucket, as the partition key becomes the sort key in the index.
 How indexing works:
 
 - Each node keeps a local count of how many items it stores for each partition,
-  in a local Sled tree that is updated atomically when an item is modified.
+  in a local database tree that is updated atomically when an item is modified.
 - These local counters are asynchronously stored in the index table which is
   a regular Garage table spread in the network. Counters are stored as LWW values,
   so basically the final table will have the following structure:
diff --git a/nix/compile.nix b/nix/compile.nix
index 1e712710..78cbd80e 100644
--- a/nix/compile.nix
+++ b/nix/compile.nix
@@ -168,7 +168,7 @@ let
   rootFeatures = if features != null then
     features
   else
-    ([ "garage/bundled-libs" "garage/sled" "garage/lmdb" "garage/k2v" ] ++ (if release then [
+    ([ "garage/bundled-libs" "garage/lmdb" "garage/k2v" ] ++ (if release then [
       "garage/consul-discovery"
       "garage/kubernetes-discovery"
       "garage/metrics"
diff --git a/script/helm/garage/values.yaml b/script/helm/garage/values.yaml
index 02a6651b..56afa2b2 100644
--- a/script/helm/garage/values.yaml
+++ b/script/helm/garage/values.yaml
@@ -6,18 +6,13 @@
 garage:
   # Can be changed for better performance on certain systems
   # https://garagehq.deuxfleurs.fr/documentation/reference-manual/configuration/#db-engine-since-v0-8-0
-  dbEngine: "sled"
+  dbEngine: "lmdb"
 
   # Defaults is 1MB
   # An increase can result in better performance in certain scenarios
   # https://garagehq.deuxfleurs.fr/documentation/reference-manual/configuration/#block-size
   blockSize: "1048576"
 
-  # Tuning parameters for the sled DB engine
-  # https://garagehq.deuxfleurs.fr/documentation/reference-manual/configuration/#sled-cache-capacity
-  sledCacheCapacity: "134217728"
-  sledFlushEveryMs: "2000"
-
   # Default to 3 replicas, see the replication_mode section at
   # https://garagehq.deuxfleurs.fr/documentation/reference-manual/configuration/#replication-mode
   replicationMode: "3"
@@ -50,11 +45,6 @@ garage:
 
     block_size = {{ .Values.garage.blockSize }}
 
-    {{- if eq .Values.garage.dbEngine "sled"}}
-    sled_cache_capacity = {{ .Values.garage.sledCacheCapacity }}
-    sled_flush_every_ms = {{ .Values.garage.sledFlushEveryMs }}
-    {{- end }}
-
     replication_mode = "{{ .Values.garage.replicationMode }}"
 
     compression_level = {{ .Values.garage.compressionLevel }}
diff --git a/src/block/resync.rs b/src/block/resync.rs
index 15f210e4..2516ba08 100644
--- a/src/block/resync.rs
+++ b/src/block/resync.rs
@@ -180,7 +180,7 @@ impl BlockResyncManager {
 	// deleted once the garbage collection delay has passed.
 	//
 	// Here are some explanations on how the resync queue works.
-	// There are two Sled trees that are used to have information
+	// There are two db trees that are used to have information
 	// about the status of blocks that need to be resynchronized:
 	//
 	// - resync.queue: a tree that is ordered first by a timestamp
@@ -541,9 +541,9 @@ impl Worker for ResyncWorker {
 				Ok(WorkerState::Idle)
 			}
 			Err(e) => {
-				// The errors that we have here are only Sled errors
+				// The errors that we have here are only db errors
 				// We don't really know how to handle them so just ¯\_(ツ)_/¯
-				// (there is kind of an assumption that Sled won't error on us,
+				// (there is kind of an assumption that the db won't error on us,
 				// if it does there is not much we can do -- TODO should we just panic?)
 				// Here we just give the error to the worker manager,
 				// it will print it to the logs and increment a counter
diff --git a/src/db/Cargo.toml b/src/db/Cargo.toml
index fddc5cca..a8f6d586 100644
--- a/src/db/Cargo.toml
+++ b/src/db/Cargo.toml
@@ -18,13 +18,12 @@ tracing.workspace = true
 
 heed = { workspace = true, optional = true }
 rusqlite = { workspace = true, optional = true }
-sled = { workspace = true, optional = true }
 
 [dev-dependencies]
 mktemp.workspace = true
 
 [features]
-default = [ "sled", "lmdb", "sqlite" ]
+default = [ "lmdb", "sqlite" ]
 bundled-libs = [ "rusqlite?/bundled" ]
 lmdb = [ "heed" ]
 sqlite = [ "rusqlite" ]
diff --git a/src/db/lib.rs b/src/db/lib.rs
index 0fb457ce..8975f295 100644
--- a/src/db/lib.rs
+++ b/src/db/lib.rs
@@ -3,8 +3,6 @@ extern crate tracing;
 
 #[cfg(feature = "lmdb")]
 pub mod lmdb_adapter;
-#[cfg(feature = "sled")]
-pub mod sled_adapter;
 #[cfg(feature = "sqlite")]
 pub mod sqlite_adapter;
 
diff --git a/src/db/open.rs b/src/db/open.rs
index ae135c4e..03476a42 100644
--- a/src/db/open.rs
+++ b/src/db/open.rs
@@ -11,7 +11,6 @@ use crate::{Db, Error, Result};
 pub enum Engine {
 	Lmdb,
 	Sqlite,
-	Sled,
 }
 
 impl Engine {
@@ -20,7 +19,6 @@ impl Engine {
 		match self {
 			Self::Lmdb => "lmdb",
 			Self::Sqlite => "sqlite",
-			Self::Sled => "sled",
 		}
 	}
 }
@@ -38,10 +36,10 @@ impl std::str::FromStr for Engine {
 		match text {
 			"lmdb" | "heed" => Ok(Self::Lmdb),
 			"sqlite" | "sqlite3" | "rusqlite" => Ok(Self::Sqlite),
-			"sled" => Ok(Self::Sled),
+			"sled" => Err(Error("Sled is no longer supported as a database engine. Converting your old metadata db can be done using an older Garage binary (e.g. v0.9.3).".into())),
 			kind => Err(Error(
 				format!(
-					"Invalid DB engine: {} (options are: lmdb, sled, sqlite)",
+					"Invalid DB engine: {} (options are: lmdb, sqlite)",
 					kind
 				)
 				.into(),
@@ -53,8 +51,6 @@ impl std::str::FromStr for Engine {
 pub struct OpenOpt {
 	pub fsync: bool,
 	pub lmdb_map_size: Option<usize>,
-	pub sled_cache_capacity: usize,
-	pub sled_flush_every_ms: u64,
 }
 
 impl Default for OpenOpt {
@@ -62,31 +58,12 @@ impl Default for OpenOpt {
 		Self {
 			fsync: false,
 			lmdb_map_size: None,
-			sled_cache_capacity: 1024 * 1024 * 1024,
-			sled_flush_every_ms: 2000,
 		}
 	}
 }
 
 pub fn open_db(path: &PathBuf, engine: Engine, opt: &OpenOpt) -> Result<Db> {
 	match engine {
-		// ---- Sled DB ----
-		#[cfg(feature = "sled")]
-		Engine::Sled => {
-			if opt.fsync {
-				return Err(Error(
-					"`metadata_fsync = true` is not supported with the Sled database engine".into(),
-				));
-			}
-			info!("Opening Sled database at: {}", path.display());
-			let db = crate::sled_adapter::sled::Config::default()
-				.path(&path)
-				.cache_capacity(opt.sled_cache_capacity as u64)
-				.flush_every_ms(Some(opt.sled_flush_every_ms))
-				.open()?;
-			Ok(crate::sled_adapter::SledDb::init(db))
-		}
-
 		// ---- Sqlite DB ----
 		#[cfg(feature = "sqlite")]
 		Engine::Sqlite => {
diff --git a/src/db/sled_adapter.rs b/src/db/sled_adapter.rs
deleted file mode 100644
index 84f2001b..00000000
--- a/src/db/sled_adapter.rs
+++ /dev/null
@@ -1,274 +0,0 @@
-use core::ops::Bound;
-
-use std::cell::Cell;
-use std::collections::HashMap;
-use std::sync::{Arc, RwLock};
-
-use sled::transaction::{
-	ConflictableTransactionError, TransactionError, Transactional, TransactionalTree,
-	UnabortableTransactionError,
-};
-
-use crate::{
-	Db, Error, IDb, ITx, ITxFn, OnCommit, Result, TxError, TxFnResult, TxOpError, TxOpResult,
-	TxResult, TxValueIter, Value, ValueIter,
-};
-
-pub use sled;
-
-// -- err
-
-impl From<sled::Error> for Error {
-	fn from(e: sled::Error) -> Error {
-		Error(format!("Sled: {}", e).into())
-	}
-}
-
-impl From<sled::Error> for TxOpError {
-	fn from(e: sled::Error) -> TxOpError {
-		TxOpError(e.into())
-	}
-}
-
-// -- db
-
-pub struct SledDb {
-	db: sled::Db,
-	trees: RwLock<(Vec<sled::Tree>, HashMap<String, usize>)>,
-}
-
-impl SledDb {
-	#[deprecated(
-		since = "0.9.0",
-		note = "The Sled database is now deprecated and will be removed in Garage v1.0. Please migrate to LMDB or Sqlite as soon as possible."
-	)]
-	pub fn init(db: sled::Db) -> Db {
-		tracing::warn!("--------------------    IMPORTANT WARNING !!!    ----------------------");
-		tracing::warn!("The Sled database is now deprecated and will be removed in Garage v1.0.");
-		tracing::warn!("Please migrate to LMDB or Sqlite as soon as possible.");
-		tracing::warn!("-----------------------------------------------------------------------");
-		let s = Self {
-			db,
-			trees: RwLock::new((Vec::new(), HashMap::new())),
-		};
-		Db(Arc::new(s))
-	}
-
-	fn get_tree(&self, i: usize) -> Result<sled::Tree> {
-		self.trees
-			.read()
-			.unwrap()
-			.0
-			.get(i)
-			.cloned()
-			.ok_or_else(|| Error("invalid tree id".into()))
-	}
-}
-
-impl IDb for SledDb {
-	fn engine(&self) -> String {
-		"Sled".into()
-	}
-
-	fn open_tree(&self, name: &str) -> Result<usize> {
-		let mut trees = self.trees.write().unwrap();
-		if let Some(i) = trees.1.get(name) {
-			Ok(*i)
-		} else {
-			let tree = self.db.open_tree(name)?;
-			let i = trees.0.len();
-			trees.0.push(tree);
-			trees.1.insert(name.to_string(), i);
-			Ok(i)
-		}
-	}
-
-	fn list_trees(&self) -> Result<Vec<String>> {
-		let mut trees = vec![];
-		for name in self.db.tree_names() {
-			let name = std::str::from_utf8(&name)
-				.map_err(|e| Error(format!("{}", e).into()))?
-				.to_string();
-			if name != "__sled__default" {
-				trees.push(name);
-			}
-		}
-		Ok(trees)
-	}
-
-	// ----
-
-	fn get(&self, tree: usize, key: &[u8]) -> Result<Option<Value>> {
-		let tree = self.get_tree(tree)?;
-		let val = tree.get(key)?;
-		Ok(val.map(|x| x.to_vec()))
-	}
-
-	fn len(&self, tree: usize) -> Result<usize> {
-		let tree = self.get_tree(tree)?;
-		Ok(tree.len())
-	}
-
-	fn insert(&self, tree: usize, key: &[u8], value: &[u8]) -> Result<Option<Value>> {
-		let tree = self.get_tree(tree)?;
-		let old_val = tree.insert(key, value)?;
-		Ok(old_val.map(|x| x.to_vec()))
-	}
-
-	fn remove(&self, tree: usize, key: &[u8]) -> Result<Option<Value>> {
-		let tree = self.get_tree(tree)?;
-		let old_val = tree.remove(key)?;
-		Ok(old_val.map(|x| x.to_vec()))
-	}
-
-	fn clear(&self, tree: usize) -> Result<()> {
-		let tree = self.get_tree(tree)?;
-		tree.clear()?;
-		Ok(())
-	}
-
-	fn iter(&self, tree: usize) -> Result<ValueIter<'_>> {
-		let tree = self.get_tree(tree)?;
-		Ok(Box::new(tree.iter().map(|v| {
-			v.map(|(x, y)| (x.to_vec(), y.to_vec())).map_err(Into::into)
-		})))
-	}
-
-	fn iter_rev(&self, tree: usize) -> Result<ValueIter<'_>> {
-		let tree = self.get_tree(tree)?;
-		Ok(Box::new(tree.iter().rev().map(|v| {
-			v.map(|(x, y)| (x.to_vec(), y.to_vec())).map_err(Into::into)
-		})))
-	}
-
-	fn range<'r>(
-		&self,
-		tree: usize,
-		low: Bound<&'r [u8]>,
-		high: Bound<&'r [u8]>,
-	) -> Result<ValueIter<'_>> {
-		let tree = self.get_tree(tree)?;
-		Ok(Box::new(tree.range::<&'r [u8], _>((low, high)).map(|v| {
-			v.map(|(x, y)| (x.to_vec(), y.to_vec())).map_err(Into::into)
-		})))
-	}
-	fn range_rev<'r>(
-		&self,
-		tree: usize,
-		low: Bound<&'r [u8]>,
-		high: Bound<&'r [u8]>,
-	) -> Result<ValueIter<'_>> {
-		let tree = self.get_tree(tree)?;
-		Ok(Box::new(tree.range::<&'r [u8], _>((low, high)).rev().map(
-			|v| v.map(|(x, y)| (x.to_vec(), y.to_vec())).map_err(Into::into),
-		)))
-	}
-
-	// ----
-
-	fn transaction(&self, f: &dyn ITxFn) -> TxResult<OnCommit, ()> {
-		let trees = self.trees.read().unwrap();
-		let res = trees.0.transaction(|txtrees| {
-			let mut tx = SledTx {
-				trees: txtrees,
-				err: Cell::new(None),
-			};
-			match f.try_on(&mut tx) {
-				TxFnResult::Ok(on_commit) => {
-					assert!(tx.err.into_inner().is_none());
-					Ok(on_commit)
-				}
-				TxFnResult::Abort => {
-					assert!(tx.err.into_inner().is_none());
-					Err(ConflictableTransactionError::Abort(()))
-				}
-				TxFnResult::DbErr => {
-					let e = tx.err.into_inner().expect("No DB error");
-					Err(e.into())
-				}
-			}
-		});
-		match res {
-			Ok(on_commit) => Ok(on_commit),
-			Err(TransactionError::Abort(())) => Err(TxError::Abort(())),
-			Err(TransactionError::Storage(s)) => Err(TxError::Db(s.into())),
-		}
-	}
-}
-
-// ----
-
-struct SledTx<'a> {
-	trees: &'a [TransactionalTree],
-	err: Cell<Option<UnabortableTransactionError>>,
-}
-
-impl<'a> SledTx<'a> {
-	fn get_tree(&self, i: usize) -> TxOpResult<&TransactionalTree> {
-		self.trees.get(i).ok_or_else(|| {
-			TxOpError(Error(
-				"invalid tree id (it might have been openned after the transaction started)".into(),
-			))
-		})
-	}
-
-	fn save_error<R>(
-		&self,
-		v: std::result::Result<R, UnabortableTransactionError>,
-	) -> TxOpResult<R> {
-		match v {
-			Ok(x) => Ok(x),
-			Err(e) => {
-				let txt = format!("{}", e);
-				self.err.set(Some(e));
-				Err(TxOpError(Error(txt.into())))
-			}
-		}
-	}
-}
-
-impl<'a> ITx for SledTx<'a> {
-	fn get(&self, tree: usize, key: &[u8]) -> TxOpResult<Option<Value>> {
-		let tree = self.get_tree(tree)?;
-		let tmp = self.save_error(tree.get(key))?;
-		Ok(tmp.map(|x| x.to_vec()))
-	}
-	fn len(&self, _tree: usize) -> TxOpResult<usize> {
-		unimplemented!(".len() in transaction not supported with Sled backend")
-	}
-
-	fn insert(&mut self, tree: usize, key: &[u8], value: &[u8]) -> TxOpResult<Option<Value>> {
-		let tree = self.get_tree(tree)?;
-		let old_val = self.save_error(tree.insert(key, value))?;
-		Ok(old_val.map(|x| x.to_vec()))
-	}
-	fn remove(&mut self, tree: usize, key: &[u8]) -> TxOpResult<Option<Value>> {
-		let tree = self.get_tree(tree)?;
-		let old_val = self.save_error(tree.remove(key))?;
-		Ok(old_val.map(|x| x.to_vec()))
-	}
-
-	fn iter(&self, _tree: usize) -> TxOpResult<TxValueIter<'_>> {
-		unimplemented!("Iterators in transactions not supported with Sled backend");
-	}
-	fn iter_rev(&self, _tree: usize) -> TxOpResult<TxValueIter<'_>> {
-		unimplemented!("Iterators in transactions not supported with Sled backend");
-	}
-
-	fn range<'r>(
-		&self,
-		_tree: usize,
-		_low: Bound<&'r [u8]>,
-		_high: Bound<&'r [u8]>,
-	) -> TxOpResult<TxValueIter<'_>> {
-		unimplemented!("Iterators in transactions not supported with Sled backend");
-	}
-	fn range_rev<'r>(
-		&self,
-		_tree: usize,
-		_low: Bound<&'r [u8]>,
-		_high: Bound<&'r [u8]>,
-	) -> TxOpResult<TxValueIter<'_>> {
-		unimplemented!("Iterators in transactions not supported with Sled backend");
-	}
-}
diff --git a/src/db/test.rs b/src/db/test.rs
index cd99eafa..d4c875f0 100644
--- a/src/db/test.rs
+++ b/src/db/test.rs
@@ -91,17 +91,6 @@ fn test_lmdb_db() {
 }
 
 #[test]
-#[cfg(feature = "sled")]
-fn test_sled_db() {
-	use crate::sled_adapter::SledDb;
-
-	let path = mktemp::Temp::new_dir().unwrap();
-	let db = SledDb::init(sled::open(path.to_path_buf()).unwrap());
-	test_suite(db);
-	drop(path);
-}
-
-#[test]
 #[cfg(feature = "sqlite")]
 fn test_sqlite_db() {
 	use crate::sqlite_adapter::SqliteDb;
diff --git a/src/garage/Cargo.toml b/src/garage/Cargo.toml
index 00ecb35e..53449a1c 100644
--- a/src/garage/Cargo.toml
+++ b/src/garage/Cargo.toml
@@ -80,12 +80,11 @@ k2v-client.workspace = true
 
 
 [features]
-default = [ "bundled-libs", "metrics", "sled", "lmdb", "sqlite", "k2v" ]
+default = [ "bundled-libs", "metrics", "lmdb", "sqlite", "k2v" ]
 
 k2v = [ "garage_util/k2v", "garage_api/k2v" ]
 
-# Database engines, Sled is still our default even though we don't like it
-sled = [ "garage_model/sled" ]
+# Database engines
 lmdb = [ "garage_model/lmdb" ]
 sqlite = [ "garage_model/sqlite" ]
 
diff --git a/src/garage/cli/convert_db.rs b/src/garage/cli/convert_db.rs
index 2aadb1d6..5346d55a 100644
--- a/src/garage/cli/convert_db.rs
+++ b/src/garage/cli/convert_db.rs
@@ -11,7 +11,7 @@ pub struct ConvertDbOpt {
 	/// https://garagehq.deuxfleurs.fr/documentation/reference-manual/configuration/#db-engine-since-v0-8-0)
 	#[structopt(short = "i")]
 	input_path: PathBuf,
-	/// Input database engine (sled, lmdb or sqlite; limited by db engines
+	/// Input database engine (lmdb or sqlite; limited by db engines
 	/// enabled in this build)
 	#[structopt(short = "a")]
 	input_engine: Engine,
diff --git a/src/garage/main.rs b/src/garage/main.rs
index e489fff0..5e9c061f 100644
--- a/src/garage/main.rs
+++ b/src/garage/main.rs
@@ -18,8 +18,8 @@ compile_error!("Either bundled-libs or system-libs Cargo feature must be enabled
 #[cfg(all(feature = "bundled-libs", feature = "system-libs"))]
 compile_error!("Only one of bundled-libs and system-libs Cargo features must be enabled");
 
-#[cfg(not(any(feature = "lmdb", feature = "sled", feature = "sqlite")))]
-compile_error!("Must activate the Cargo feature for at least one DB engine: lmdb, sled or sqlite.");
+#[cfg(not(any(feature = "lmdb", feature = "sqlite")))]
+compile_error!("Must activate the Cargo feature for at least one DB engine: lmdb or sqlite.");
 
 use std::net::SocketAddr;
 use std::path::PathBuf;
@@ -72,8 +72,6 @@ async fn main() {
 	let features = &[
 		#[cfg(feature = "k2v")]
 		"k2v",
-		#[cfg(feature = "sled")]
-		"sled",
 		#[cfg(feature = "lmdb")]
 		"lmdb",
 		#[cfg(feature = "sqlite")]
diff --git a/src/model/Cargo.toml b/src/model/Cargo.toml
index 776671d0..a6bcfbe7 100644
--- a/src/model/Cargo.toml
+++ b/src/model/Cargo.toml
@@ -42,8 +42,7 @@ tokio.workspace = true
 opentelemetry.workspace = true
 
 [features]
-default = [ "sled", "lmdb", "sqlite" ]
+default = [ "lmdb", "sqlite" ]
 k2v = [ "garage_util/k2v" ]
 lmdb = [ "garage_db/lmdb" ]
-sled = [ "garage_db/sled" ]
 sqlite = [ "garage_db/sqlite" ]
diff --git a/src/model/garage.rs b/src/model/garage.rs
index 7ec8b22e..8987c594 100644
--- a/src/model/garage.rs
+++ b/src/model/garage.rs
@@ -118,9 +118,6 @@ impl Garage {
 			.ok_or_message("Invalid `db_engine` value in configuration file")?;
 		let mut db_path = config.metadata_dir.clone();
 		match db_engine {
-			db::Engine::Sled => {
-				db_path.push("db");
-			}
 			db::Engine::Sqlite => {
 				db_path.push("db.sqlite");
 			}
@@ -134,8 +131,6 @@ impl Garage {
 				v if v == usize::default() => None,
 				v => Some(v),
 			},
-			sled_cache_capacity: config.sled_cache_capacity,
-			sled_flush_every_ms: config.sled_flush_every_ms,
 		};
 		let db = db::open_db(&db_path, db_engine, &db_opt)
 			.ok_or_message("Unable to open metadata db")?;
diff --git a/src/table/gc.rs b/src/table/gc.rs
index ef788749..65ad0c42 100644
--- a/src/table/gc.rs
+++ b/src/table/gc.rs
@@ -334,9 +334,9 @@ impl<F: TableSchema, R: TableReplication> Worker for GcWorker<F, R> {
 	}
 }
 
-/// An entry stored in the gc_todo Sled tree associated with the table
+/// An entry stored in the gc_todo db tree associated with the table
 /// Contains helper function for parsing, saving, and removing
-/// such entry in Sled
+/// such entry in the db
 ///
 /// Format of an entry:
 /// - key =    8 bytes: timestamp of tombstone
@@ -353,7 +353,7 @@ pub(crate) struct GcTodoEntry {
 }
 
 impl GcTodoEntry {
-	/// Creates a new GcTodoEntry (not saved in Sled) from its components:
+	/// Creates a new GcTodoEntry (not saved in the db) from its components:
 	/// the key of an entry in the table, and the hash of the associated
 	/// serialized value
 	pub(crate) fn new(key: Vec<u8>, value_hash: Hash) -> Self {
diff --git a/src/table/merkle.rs b/src/table/merkle.rs
index 01271c58..be0ae243 100644
--- a/src/table/merkle.rs
+++ b/src/table/merkle.rs
@@ -31,14 +31,14 @@ pub struct MerkleUpdater<F: TableSchema, R: TableReplication> {
 	// - value = the hash of the full serialized item, if present,
 	//			 or an empty vec if item is absent (deleted)
 	// Fields in data:
-	//		pub(crate) merkle_todo: sled::Tree,
+	//		pub(crate) merkle_todo: db::Tree,
 	//		pub(crate) merkle_todo_notify: Notify,
 
 	// Content of the merkle tree: items where
 	// - key = .bytes() for MerkleNodeKey
 	// - value = serialization of a MerkleNode, assumed to be MerkleNode::empty if not found
 	// Field in data:
-	//		pub(crate) merkle_tree: sled::Tree,
+	//		pub(crate) merkle_tree: db::Tree,
 	empty_node_hash: Hash,
 }
 
diff --git a/src/util/config.rs b/src/util/config.rs
index b7f27676..e243c813 100644
--- a/src/util/config.rs
+++ b/src/util/config.rs
@@ -87,20 +87,10 @@ pub struct Config {
 	pub kubernetes_discovery: Option<KubernetesDiscoveryConfig>,
 
 	// -- DB
-	/// Database engine to use for metadata (options: sled, sqlite, lmdb)
+	/// Database engine to use for metadata (options: sqlite, lmdb)
 	#[serde(default = "default_db_engine")]
 	pub db_engine: String,
 
-	/// Sled cache size, in bytes
-	#[serde(
-		deserialize_with = "deserialize_capacity",
-		default = "default_sled_cache_capacity"
-	)]
-	pub sled_cache_capacity: usize,
-	/// Sled flush interval in milliseconds
-	#[serde(default = "default_sled_flush_every_ms")]
-	pub sled_flush_every_ms: u64,
-
 	/// LMDB map size
 	#[serde(deserialize_with = "deserialize_capacity", default)]
 	pub lmdb_map_size: usize,
@@ -246,13 +236,6 @@ fn default_db_engine() -> String {
 	"lmdb".into()
 }
 
-fn default_sled_cache_capacity() -> usize {
-	128 * 1024 * 1024
-}
-fn default_sled_flush_every_ms() -> u64 {
-	2000
-}
-
 fn default_block_size() -> usize {
 	1048576
 }