diff --git a/src/rust/engine/Cargo.lock b/src/rust/engine/Cargo.lock
index 10faf811f27..d88cbbb5f43 100644
--- a/src/rust/engine/Cargo.lock
+++ b/src/rust/engine/Cargo.lock
@@ -161,7 +161,6 @@ dependencies = [
 name = "async_value"
 version = "0.0.1"
 dependencies = [
- "futures",
  "tokio",
 ]
 
@@ -444,9 +443,7 @@ version = "0.0.1"
 dependencies = [
  "bytes",
  "clap",
- "dirs-next",
  "env_logger",
- "errno 0.2.8",
  "fuser",
  "futures",
  "grpc_util",
@@ -462,7 +459,6 @@ dependencies = [
  "time",
  "tokio",
  "tokio-stream",
- "workunit_store",
 ]
 
 [[package]]
@@ -725,7 +721,6 @@ version = "0.0.1"
 dependencies = [
  "deepsize",
  "log",
- "prost",
  "prost-types",
  "serde",
  "serde_derive",
@@ -1041,7 +1036,6 @@ dependencies = [
 name = "docker"
 version = "0.0.1"
 dependencies = [
- "async-lock",
  "async-oncecell",
  "async-stream",
  "async-trait",
@@ -1065,8 +1059,6 @@ dependencies = [
  "tempfile",
  "testutil",
  "tokio",
- "tokio-rustls",
- "tokio-util 0.7.12",
  "workunit_store",
 ]
 
@@ -1104,15 +1096,12 @@ name = "engine"
 version = "0.0.1"
 dependencies = [
  "address",
- "async-oncecell",
  "async-trait",
  "async_latch",
  "axum",
  "axum-server",
  "bytes",
  "cache",
- "concrete_time",
- "crossbeam-channel",
  "deepsize",
  "dep_inference",
  "derivative",
@@ -1163,7 +1152,6 @@ dependencies = [
  "tokio",
  "tokio-retry2",
  "tokio-util 0.7.12",
- "tryfuture",
  "ui",
  "url",
  "watch",
@@ -1189,17 +1177,6 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
 
-[[package]]
-name = "errno"
-version = "0.2.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f639046355ee4f37944e44f60642c6f3a7efa3cf6b78c78a0d989a8ce6c396a1"
-dependencies = [
- "errno-dragonfly",
- "libc",
- "winapi",
-]
-
 [[package]]
 name = "errno"
 version = "0.3.6"
@@ -1210,16 +1187,6 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
-[[package]]
-name = "errno-dragonfly"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14ca354e36190500e1e1fb267c647932382b54053c50b14970856c0b00a35067"
-dependencies = [
- "gcc",
- "libc",
-]
-
 [[package]]
 name = "event-listener"
 version = "2.5.1"
@@ -1346,7 +1313,6 @@ dependencies = [
  "parking_lot 0.12.3",
  "prost",
  "protos",
- "rand",
  "serde",
  "serde_derive",
  "serde_json",
@@ -1470,12 +1436,6 @@ dependencies = [
  "slab",
 ]
 
-[[package]]
-name = "gcc"
-version = "0.3.55"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f5f3913fa0bfe7ee1fd8248b6b9f42a5af4b9d65ec2dd2c3c26132b950ecfc2"
-
 [[package]]
 name = "generic-array"
 version = "0.14.6"
@@ -1577,17 +1537,13 @@ dependencies = [
  "either",
  "futures",
  "http",
- "http-body",
- "http-body-util",
  "hyper",
  "hyper-rustls",
  "hyper-util",
  "itertools",
  "lazy_static",
- "log",
  "parking_lot 0.12.3",
  "pin-project",
- "pin-project-lite",
  "prost",
  "prost-build",
  "prost-types",
@@ -1599,13 +1555,11 @@ dependencies = [
  "tokio",
  "tokio-rustls",
  "tokio-stream",
- "tokio-util 0.7.12",
  "tonic",
  "tonic-build",
  "tower",
  "tower-layer",
  "tower-service",
- "webpki",
  "workunit_store",
 ]
 
@@ -2219,17 +2173,6 @@ dependencies = [
  "parking_lot 0.12.3",
  "regex",
  "stdio",
- "tokio",
- "uuid",
-]
-
-[[package]]
-name = "madvise"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4e1e75c3c34c2b34cec9f127418cb35240c7ebee5de36a51437e6b382c161b86"
-dependencies = [
- "libc",
 ]
 
 [[package]]
@@ -2345,13 +2288,9 @@ dependencies = [
  "async-stream",
  "bytes",
  "futures",
- "grpc_util",
  "hashing",
- "hyper",
- "log",
  "parking_lot 0.12.3",
  "prost",
- "prost-types",
  "protos",
  "testutil",
  "tokio",
@@ -2677,7 +2616,6 @@ name = "pe_nailgun"
 version = "0.0.1"
 dependencies = [
  "async-lock",
- "async-stream",
  "async-trait",
  "env_logger",
  "futures",
@@ -2697,8 +2635,6 @@ dependencies = [
  "tempfile",
  "testutil",
  "tokio",
- "tokio-rustls",
- "tokio-util 0.7.12",
  "workunit_store",
 ]
 
@@ -2886,9 +2822,7 @@ dependencies = [
 name = "process_execution"
 version = "0.0.1"
 dependencies = [
- "async-lock",
  "async-oncecell",
- "async-stream",
  "async-trait",
  "bincode",
  "bytes",
@@ -2909,15 +2843,12 @@ dependencies = [
  "mock",
  "nails",
  "nix",
- "once_cell",
  "parking_lot 0.12.3",
  "prost",
  "prost-types",
  "protos",
- "rand",
  "regex",
  "serde",
- "sha2",
  "sharded_lmdb",
  "shell-quote",
  "shlex",
@@ -2928,13 +2859,10 @@ dependencies = [
  "tempfile",
  "testutil",
  "tokio",
- "tokio-rustls",
  "tokio-util 0.7.12",
- "tonic",
  "tryfuture",
  "uname",
  "uuid",
- "walkdir",
  "workunit_store",
 ]
 
@@ -2943,7 +2871,6 @@ name = "process_executor"
 version = "0.0.1"
 dependencies = [
  "clap",
- "dirs-next",
  "env_logger",
  "fs",
  "futures",
@@ -3031,7 +2958,6 @@ dependencies = [
 name = "protos"
 version = "0.0.1"
 dependencies = [
- "bytes",
  "hashing",
  "prost",
  "prost-build",
@@ -3140,7 +3066,7 @@ dependencies = [
  "bytes",
  "getrandom 0.2.8",
  "rand",
- "ring 0.17.3",
+ "ring",
  "rustc-hash 2.1.0",
  "rustls",
  "rustls-pki-types",
@@ -3320,13 +3246,10 @@ checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c"
 name = "remote"
 version = "0.0.1"
 dependencies = [
- "async-lock",
  "async-oncecell",
- "async-stream",
  "async-trait",
  "bytes",
  "concrete_time",
- "derivative",
  "env_logger",
  "fs",
  "futures",
@@ -3336,8 +3259,6 @@ dependencies = [
  "log",
  "maplit",
  "mock",
- "once_cell",
- "opendal",
  "parking_lot 0.12.3",
  "process_execution",
  "prost",
@@ -3354,8 +3275,6 @@ dependencies = [
  "tempfile",
  "testutil",
  "tokio",
- "tokio-rustls",
- "tokio-util 0.7.12",
  "tonic",
  "workunit_store",
 ]
@@ -3364,7 +3283,6 @@ dependencies = [
 name = "remote_provider"
 version = "0.0.1"
 dependencies = [
- "grpc_util",
  "remote_provider_opendal",
  "remote_provider_reapi",
  "remote_provider_traits",
@@ -3382,7 +3300,6 @@ dependencies = [
  "http",
  "mock",
  "opendal",
- "parking_lot 0.12.3",
  "prost",
  "protos",
  "remote_provider_traits",
@@ -3422,7 +3339,6 @@ dependencies = [
 name = "remote_provider_traits"
 version = "0.0.1"
 dependencies = [
- "async-oncecell",
  "async-trait",
  "bytes",
  "grpc_util",
@@ -3477,21 +3393,6 @@ dependencies = [
  "winreg",
 ]
 
-[[package]]
-name = "ring"
-version = "0.16.20"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3053cf52e236a3ed746dfc745aa9cacf1b791d846bdaf412f60a8d7d6e17c8fc"
-dependencies = [
- "cc",
- "libc",
- "once_cell",
- "spin 0.5.2",
- "untrusted 0.7.1",
- "web-sys",
- "winapi",
-]
-
 [[package]]
 name = "ring"
 version = "0.17.3"
@@ -3501,8 +3402,8 @@ dependencies = [
  "cc",
  "getrandom 0.2.8",
  "libc",
- "spin 0.9.8",
- "untrusted 0.9.0",
+ "spin",
+ "untrusted",
  "windows-sys 0.48.0",
 ]
 
@@ -3555,7 +3456,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "305efbd14fde4139eb501df5f136994bb520b033fa9fbdce287507dc23b8c7ed"
 dependencies = [
  "bitflags 1.3.2",
- "errno 0.3.6",
+ "errno",
  "io-lifetimes",
  "libc",
  "linux-raw-sys 0.1.4",
@@ -3569,7 +3470,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d4790277f605573dd24b6751701e0823582a63c7cafc095e427e6c66e45dd75e"
 dependencies = [
  "bitflags 1.3.2",
- "errno 0.3.6",
+ "errno",
  "io-lifetimes",
  "libc",
  "linux-raw-sys 0.3.0",
@@ -3583,7 +3484,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d7db8590df6dfcd144d22afd1b83b36c21a18d7cbc1dc4bb5295a8712e9eb662"
 dependencies = [
  "bitflags 2.4.1",
- "errno 0.3.6",
+ "errno",
  "libc",
  "linux-raw-sys 0.4.11",
  "windows-sys 0.48.0",
@@ -3598,7 +3499,7 @@ dependencies = [
  "aws-lc-rs",
  "log",
  "once_cell",
- "ring 0.17.3",
+ "ring",
  "rustls-pki-types",
  "rustls-webpki",
  "subtle",
@@ -3657,9 +3558,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ff448f7e92e913c4b7d4c6d8e4540a1724b319b4152b8aef6d4cf8339712b33e"
 dependencies = [
  "aws-lc-rs",
- "ring 0.17.3",
+ "ring",
  "rustls-pki-types",
- "untrusted 0.9.0",
+ "untrusted",
 ]
 
 [[package]]
@@ -3857,8 +3758,6 @@ name = "sharded_lmdb"
 version = "0.0.1"
 dependencies = [
  "bytes",
- "fs",
- "futures",
  "hashing",
  "lmdb-rkv",
  "log",
@@ -3926,12 +3825,6 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
-[[package]]
-name = "spin"
-version = "0.5.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
-
 [[package]]
 name = "spin"
 version = "0.9.8"
@@ -3952,31 +3845,21 @@ name = "store"
 version = "0.1.0"
 dependencies = [
  "async-oncecell",
- "async-stream",
  "async-trait",
  "bytes",
- "concrete_time",
  "criterion",
  "deepsize",
  "fs",
  "fs-set-times",
  "futures",
- "glob",
  "grpc_util",
  "hashing",
- "http",
- "http-body",
- "indexmap 2.2.3",
  "itertools",
- "lmdb-rkv",
  "log",
- "madvise",
  "mock",
  "num_cpus",
- "opendal",
  "parking_lot 0.12.3",
  "prost",
- "prost-types",
  "protos",
  "remote_provider",
  "serde",
@@ -3986,12 +3869,7 @@ dependencies = [
  "tempfile",
  "testutil",
  "tokio",
- "tokio-rustls",
- "tokio-util 0.7.12",
- "tonic",
- "tower-service",
  "tryfuture",
- "uuid",
  "walkdir",
  "workunit_store",
 ]
@@ -4143,12 +4021,10 @@ dependencies = [
 name = "testutil"
 version = "0.0.1"
 dependencies = [
- "async-stream",
  "bytes",
  "fs",
  "grpc_util",
  "hashing",
- "prost",
  "protos",
  "tempfile",
  "tokio",
@@ -4538,7 +4414,6 @@ dependencies = [
  "stdio",
  "task_executor",
  "terminal_size",
- "uuid",
  "workunit_store",
 ]
 
@@ -4596,12 +4471,6 @@ version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "673aac59facbab8a9007c7f6108d11f63b603f7cabff99fabf650fea5c32b861"
 
-[[package]]
-name = "untrusted"
-version = "0.7.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a156c684c91ea7d62626509bce3cb4e1d9ed5c4d978f7b4352658f96a4c26b4a"
-
 [[package]]
 name = "untrusted"
 version = "0.9.0"
@@ -4796,8 +4665,6 @@ version = "0.0.1"
 dependencies = [
  "crossbeam-channel",
  "fs",
- "futures",
- "hashing",
  "log",
  "notify",
  "parking_lot 0.12.3",
@@ -4827,16 +4694,6 @@ dependencies = [
  "wasm-bindgen",
 ]
 
-[[package]]
-name = "webpki"
-version = "0.22.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "07ecc0cd7cac091bf682ec5efa18b1cff79d617b84181f38b3951dbe135f607f"
-dependencies = [
- "ring 0.16.20",
- "untrusted 0.7.1",
-]
-
 [[package]]
 name = "webpki-roots"
 version = "0.26.3"
diff --git a/src/rust/engine/Cargo.toml b/src/rust/engine/Cargo.toml
index c53401f33d5..6bef54e70ee 100644
--- a/src/rust/engine/Cargo.toml
+++ b/src/rust/engine/Cargo.toml
@@ -40,12 +40,9 @@ async-trait = { workspace = true }
 protos = { path = "protos" }
 bytes = { workspace = true }
 cache = { path = "cache" }
-concrete_time = { path = "concrete_time" }
-crossbeam-channel = { workspace = true }
 deepsize = { workspace = true, features = ["internment", "smallvec"] }
 dep_inference = { path = "dep_inference" }
 derivative = { workspace = true }
-async-oncecell = { workspace = true }
 docker = { path = "process_execution/docker" }
 fnv = { workspace = true }
 fs = { path = "fs" }
@@ -86,7 +83,6 @@ time = { workspace = true }
 tokio = { workspace = true, features = ["macros", "rt", "rt-multi-thread"] }
 tokio-retry2 = { workspace = true }
 tokio-util = { workspace = true, features = ["io"] }
-tryfuture = { path = "tryfuture" }
 ui = { path = "ui" }
 url = { workspace = true }
 watch = { path = "watch" }
diff --git a/src/rust/engine/async_value/Cargo.toml b/src/rust/engine/async_value/Cargo.toml
index 7dd2376cd4e..3edd9067531 100644
--- a/src/rust/engine/async_value/Cargo.toml
+++ b/src/rust/engine/async_value/Cargo.toml
@@ -6,7 +6,6 @@ authors = ["Pants Build <pantsbuild@gmail.com>"]
 publish = false
 
 [dependencies]
-futures = { workspace = true }
 tokio = { workspace = true, features = ["macros", "sync"] }
 
 [dev-dependencies]
diff --git a/src/rust/engine/concrete_time/Cargo.toml b/src/rust/engine/concrete_time/Cargo.toml
index da707ed44f0..b57316f6e0e 100644
--- a/src/rust/engine/concrete_time/Cargo.toml
+++ b/src/rust/engine/concrete_time/Cargo.toml
@@ -8,10 +8,12 @@ publish = false
 [dependencies]
 deepsize = { workspace = true }
 log = { workspace = true }
-prost = { workspace = true }
 prost-types = { workspace = true }
 serde = { workspace = true }
 serde_derive = { workspace = true }
 
 [lints]
 workspace = true
+
+[package.metadata.cargo-machete]
+ignored = ["serde"]
diff --git a/src/rust/engine/dep_inference/Cargo.toml b/src/rust/engine/dep_inference/Cargo.toml
index 43cf4807070..2fffec86d82 100644
--- a/src/rust/engine/dep_inference/Cargo.toml
+++ b/src/rust/engine/dep_inference/Cargo.toml
@@ -39,3 +39,6 @@ regex = { workspace = true }
 
 [lints]
 workspace = true
+
+[package.metadata.cargo-machete]
+ignored = ["serde"]
diff --git a/src/rust/engine/fs/brfs/Cargo.toml b/src/rust/engine/fs/brfs/Cargo.toml
index d743ac5f606..dcd66aa05ff 100644
--- a/src/rust/engine/fs/brfs/Cargo.toml
+++ b/src/rust/engine/fs/brfs/Cargo.toml
@@ -7,9 +7,7 @@ publish = false
 
 [dependencies]
 clap = { workspace = true }
-dirs-next = { workspace = true }
 env_logger = { workspace = true }
-errno = { workspace = true }
 fuser = { workspace = true }
 futures = { workspace = true }
 grpc_util = { path = "../../grpc_util" }
@@ -23,7 +21,6 @@ task_executor = { path = "../../task_executor" }
 time = { workspace = true }
 tokio = { workspace = true, features = ["rt-multi-thread", "macros", "signal"] }
 tokio-stream = { workspace = true, features = ["signal"] }
-workunit_store = { path = "../../workunit_store" }
 
 [dev-dependencies]
 bytes = { workspace = true }
diff --git a/src/rust/engine/fs/fs_util/Cargo.toml b/src/rust/engine/fs/fs_util/Cargo.toml
index 2079dc0007f..abcbe572eb6 100644
--- a/src/rust/engine/fs/fs_util/Cargo.toml
+++ b/src/rust/engine/fs/fs_util/Cargo.toml
@@ -17,7 +17,6 @@ hashing = { path = "../../hashing" }
 log = { workspace = true }
 parking_lot = { workspace = true }
 prost = { workspace = true }
-rand = { workspace = true }
 serde = { workspace = true }
 serde_json = { workspace = true }
 serde_derive = { workspace = true }
@@ -28,3 +27,6 @@ workunit_store = { path = "../../workunit_store" }
 
 [lints]
 workspace = true
+
+[package.metadata.cargo-machete]
+ignored = ["prost", "serde"]
diff --git a/src/rust/engine/fs/store/Cargo.toml b/src/rust/engine/fs/store/Cargo.toml
index c8231e260e4..fecfe3fb0f1 100644
--- a/src/rust/engine/fs/store/Cargo.toml
+++ b/src/rust/engine/fs/store/Cargo.toml
@@ -5,44 +5,29 @@ authors = ["Daniel Wagner-Hall <dwagnerhall@twitter.com>"]
 edition = "2021"
 
 [dependencies]
-async-stream = { workspace = true }
 async-trait = { workspace = true }
 protos = { path = "../../protos" }
 bytes = { workspace = true }
-concrete_time = { path = "../../concrete_time" }
 async-oncecell = { workspace = true }
 deepsize = { workspace = true }
 fs = { path = ".." }
 fs-set-times = { workspace = true }
 futures = { workspace = true }
-glob = { workspace = true }
 grpc_util = { path = "../../grpc_util" }
 hashing = { path = "../../hashing" }
-http = { workspace = true }
-http-body = { workspace = true }
-indexmap = { workspace = true }
 itertools = { workspace = true }
-lmdb-rkv = { workspace = true }
 log = { workspace = true }
-madvise = { workspace = true }
 parking_lot = { workspace = true }
 prost = { workspace = true }
-prost-types = { workspace = true }
 remote_provider = { path = "../../remote_provider" }
 serde = { workspace = true }
 serde_derive = { workspace = true }
 sharded_lmdb = { path = "../../sharded_lmdb" }
 task_executor = { path = "../../task_executor" }
 tempfile = { workspace = true }
-tokio-rustls = { workspace = true }
 tokio = { workspace = true, features = ["fs"] }
-tokio-util = { workspace = true, features = ["io"] }
-tonic = { workspace = true, features = ["transport", "codegen", "tls", "tls-roots", "prost"] }
-tower-service = { workspace = true }
 tryfuture = { path = "../../tryfuture" }
-uuid = { workspace = true, features = ["v4"] }
 workunit_store = { path = "../../workunit_store" }
-opendal = { workspace = true }
 
 [dev-dependencies]
 criterion = { workspace = true }
@@ -59,3 +44,6 @@ harness = false
 
 [lints]
 workspace = true
+
+[package.metadata.cargo-machete]
+ignored = ["serde"]
diff --git a/src/rust/engine/grpc_util/Cargo.toml b/src/rust/engine/grpc_util/Cargo.toml
index 0aabfc76b5a..9582a815c79 100644
--- a/src/rust/engine/grpc_util/Cargo.toml
+++ b/src/rust/engine/grpc_util/Cargo.toml
@@ -10,16 +10,12 @@ bytes = { workspace = true }
 either = { workspace = true }
 futures = { workspace = true }
 http = { workspace = true }
-http-body = { workspace = true }
-http-body-util = { workspace = true }
 hyper = { workspace = true }
 hyper-rustls = { workspace = true, features = ["http2"] }
 hyper-util = { workspace = true }
 itertools = { workspace = true }
 lazy_static = { workspace = true }
-log = { workspace = true }
 pin-project = { workspace = true }
-pin-project-lite = { workspace = true }
 prost = { workspace = true }
 rand = { workspace = true }
 rustls = { workspace = true, features = ["logging"] }
@@ -29,12 +25,10 @@ rustls-pemfile = { workspace = true }
 tokio = { workspace = true, features = ["net", "process", "rt-multi-thread", "sync", "time"] }
 tokio-rustls = { workspace = true }
 tokio-stream = { workspace = true }
-tokio-util = { workspace = true, features = ["codec"] }
 tonic = { workspace = true, features = ["transport", "codegen", "tls", "tls-roots", "prost"] }
 tower = { workspace = true, features = ["limit", "timeout"] }
 tower-layer = { workspace = true }
 tower-service = { workspace = true }
-webpki = { workspace = true }
 workunit_store = { path = "../workunit_store" }
 
 [dev-dependencies]
diff --git a/src/rust/engine/logging/Cargo.toml b/src/rust/engine/logging/Cargo.toml
index 55e1aa54b40..9a23b9b8a8e 100644
--- a/src/rust/engine/logging/Cargo.toml
+++ b/src/rust/engine/logging/Cargo.toml
@@ -15,8 +15,6 @@ num_enum = { workspace = true }
 parking_lot = { workspace = true }
 regex = { workspace = true }
 stdio = { path = "../stdio" }
-tokio = { version = "1.32" }
-uuid = { workspace = true, features = ["v4"] }
 
 [build-dependencies]
 cargo_metadata = "0.19"
diff --git a/src/rust/engine/process_execution/Cargo.toml b/src/rust/engine/process_execution/Cargo.toml
index 7a0db6bc750..224bd3a822f 100644
--- a/src/rust/engine/process_execution/Cargo.toml
+++ b/src/rust/engine/process_execution/Cargo.toml
@@ -6,11 +6,8 @@ authors = ["Pants Build <pantsbuild@gmail.com>"]
 publish = false
 
 [dependencies]
-async-stream = { workspace = true }
 async-trait = { workspace = true }
-async-lock = { workspace = true }
 async-oncecell = { workspace = true }
-walkdir = { workspace = true }
 protos = { path = "../protos" }
 bytes = { workspace = true }
 cache = { path = "../cache" }
@@ -24,14 +21,12 @@ libc = { workspace = true }
 log = { workspace = true }
 nails = { workspace = true }
 nix = { workspace = true }
-sha2 = { workspace = true }
 shell-quote = { workspace = true }
 store = { path = "../fs/store" }
 task_executor = { path = "../task_executor" }
 tempfile = { workspace = true }
 concrete_time = { path = "../concrete_time" }
 tokio = { workspace = true, features = ["net", "process", "rt-multi-thread", "sync", "time"] }
-tokio-rustls = { workspace = true }
 tokio-util = { workspace = true, features = ["codec"] }
 uname = { workspace = true }
 uuid = { workspace = true, features = ["v4"] }
@@ -42,14 +37,11 @@ parking_lot = { workspace = true }
 itertools = { workspace = true }
 serde = { workspace = true }
 bincode = { workspace = true }
-once_cell = { workspace = true }
-rand = { workspace = true }
 prost = { workspace = true }
 prost-types = { workspace = true }
 shlex = { workspace = true }
 strum = { workspace = true }
 strum_macros = { workspace = true }
-tonic = { workspace = true, features = ["transport", "codegen", "tls", "tls-roots", "prost"] }
 tryfuture = { path = "../tryfuture" }
 
 [dev-dependencies]
@@ -64,3 +56,6 @@ tokio = { workspace = true, features = ["macros"] }
 
 [lints]
 workspace = true
+
+[package.metadata.cargo-machete]
+ignored = ["strum"]
diff --git a/src/rust/engine/process_execution/docker/Cargo.toml b/src/rust/engine/process_execution/docker/Cargo.toml
index 06680f61d14..e9a4bbbded5 100644
--- a/src/rust/engine/process_execution/docker/Cargo.toml
+++ b/src/rust/engine/process_execution/docker/Cargo.toml
@@ -8,7 +8,6 @@ publish = false
 [dependencies]
 async-stream = { workspace = true }
 async-trait = { workspace = true }
-async-lock = { workspace = true }
 bollard = { workspace = true }
 docker_credential = { workspace = true }
 fs = { path = "../../fs" }
@@ -18,8 +17,6 @@ nails = { workspace = true }
 store = { path = "../../fs/store" }
 task_executor = { path = "../../task_executor" }
 tokio = { workspace = true, features = ["net", "process", "rt-multi-thread", "sync", "time"] }
-tokio-rustls = { workspace = true }
-tokio-util = { workspace = true, features = ["codec"] }
 workunit_store = { path = "../../workunit_store" }
 parking_lot = { workspace = true }
 async-oncecell = { workspace = true }
diff --git a/src/rust/engine/process_execution/pe_nailgun/Cargo.toml b/src/rust/engine/process_execution/pe_nailgun/Cargo.toml
index fa1f64b1810..9a647525769 100644
--- a/src/rust/engine/process_execution/pe_nailgun/Cargo.toml
+++ b/src/rust/engine/process_execution/pe_nailgun/Cargo.toml
@@ -6,7 +6,6 @@ authors = ["Pants Build <pantsbuild@gmail.com>"]
 publish = false
 
 [dependencies]
-async-stream = { workspace = true }
 async-trait = { workspace = true }
 async-lock = { workspace = true }
 futures = { workspace = true }
@@ -15,8 +14,6 @@ nails = { workspace = true }
 store = { path = "../../fs/store" }
 task_executor = { path = "../../task_executor" }
 tokio = { workspace = true, features = ["net", "process", "rt-multi-thread", "sync", "time"] }
-tokio-rustls = { workspace = true }
-tokio-util = { workspace = true, features = ["codec"] }
 workunit_store = { path = "../../workunit_store" }
 itertools = { workspace = true }
 process_execution = { path = ".." }
diff --git a/src/rust/engine/process_execution/remote/Cargo.toml b/src/rust/engine/process_execution/remote/Cargo.toml
index 4206cbf9efd..8f60c166dc2 100644
--- a/src/rust/engine/process_execution/remote/Cargo.toml
+++ b/src/rust/engine/process_execution/remote/Cargo.toml
@@ -6,13 +6,9 @@ authors = ["Pants Build <pantsbuild@gmail.com>"]
 publish = false
 
 [dependencies]
-async-stream = { workspace = true }
 async-trait = { workspace = true }
-async-lock = { workspace = true }
 protos = { path = "../../protos" }
 bytes = { workspace = true }
-derivative = { workspace = true }
-# deepsize = { workspace = true, features=["log"] }
 grpc_util = { path = "../../grpc_util" }
 fs = { path = "../../fs" }
 futures = { workspace = true }
@@ -23,11 +19,8 @@ store = { path = "../../fs/store" }
 task_executor = { path = "../../task_executor" }
 concrete_time = { path = "../../concrete_time" }
 tokio = { workspace = true, features = ["net", "process", "rt-multi-thread", "sync", "time"] }
-tokio-rustls = { workspace = true }
-tokio-util = { workspace = true, features = ["codec"] }
 workunit_store = { path = "../../workunit_store" }
 async-oncecell = { workspace = true }
-once_cell = { workspace = true }
 prost = { workspace = true }
 prost-types = { workspace = true }
 rand = { workspace = true }
@@ -36,7 +29,6 @@ process_execution = { path = ".." }
 strum = { workspace = true }
 strum_macros = { workspace = true }
 parking_lot = { workspace = true }
-opendal = { workspace = true }
 remote_provider = { path = "../../remote_provider" }
 remote_provider_reapi = { path = "../../remote_provider/remote_provider_reapi" }
 
@@ -52,3 +44,6 @@ tokio = { workspace = true, features = ["macros"] }
 
 [lints]
 workspace = true
+
+[package.metadata.cargo-machete]
+ignored = ["strum"]
diff --git a/src/rust/engine/process_executor/Cargo.toml b/src/rust/engine/process_executor/Cargo.toml
index a53f76cff5a..62212374399 100644
--- a/src/rust/engine/process_executor/Cargo.toml
+++ b/src/rust/engine/process_executor/Cargo.toml
@@ -8,7 +8,6 @@ publish = false
 [dependencies]
 protos = { path = "../protos" }
 clap = { workspace = true, features = ["derive"] }
-dirs-next = { workspace = true }
 env_logger = { workspace = true }
 fs = { path = "../fs" }
 futures = { workspace = true }
@@ -26,3 +25,6 @@ remote = { path = "../process_execution/remote" }
 
 [lints]
 workspace = true
+
+[package.metadata.cargo-machete]
+ignored = ["futures"]
diff --git a/src/rust/engine/protos/Cargo.toml b/src/rust/engine/protos/Cargo.toml
index 648205562d9..bc54f424083 100644
--- a/src/rust/engine/protos/Cargo.toml
+++ b/src/rust/engine/protos/Cargo.toml
@@ -6,13 +6,14 @@ authors = ["Pants Build <pantsbuild@gmail.com>"]
 publish = false
 
 [dependencies]
-bytes = { workspace = true }
 hashing = { path = "../hashing" }
 prost = { workspace = true }
-prost-build = { workspace = true }
 prost-types = { workspace = true }
 tonic = { workspace = true, features = ["transport", "codegen", "tls", "tls-roots"] }
 
 [build-dependencies]
 prost-build = { workspace = true }
 tonic-build = { workspace = true, features = ["prost"] }
+
+[package.metadata.cargo-machete]
+ignored = ["prost-types"]
diff --git a/src/rust/engine/remote_provider/Cargo.toml b/src/rust/engine/remote_provider/Cargo.toml
index 4ce82a5efcd..5cb035fa44f 100644
--- a/src/rust/engine/remote_provider/Cargo.toml
+++ b/src/rust/engine/remote_provider/Cargo.toml
@@ -6,7 +6,6 @@ authors = ["Pants Build <pantsbuild@gmail.com>"]
 publish = false
 
 [dependencies]
-grpc_util = { path = "../grpc_util" }
 remote_provider_opendal = { path = "./remote_provider_opendal" }
 remote_provider_reapi = { path = "./remote_provider_reapi" }
 remote_provider_traits = { path = "./remote_provider_traits" }
diff --git a/src/rust/engine/remote_provider/remote_provider_opendal/Cargo.toml b/src/rust/engine/remote_provider/remote_provider_opendal/Cargo.toml
index eed185b4e1c..e105a5a81d0 100644
--- a/src/rust/engine/remote_provider/remote_provider_opendal/Cargo.toml
+++ b/src/rust/engine/remote_provider/remote_provider_opendal/Cargo.toml
@@ -12,7 +12,6 @@ futures = { workspace = true }
 grpc_util = { path = "../../grpc_util" }
 hashing = { path = "../../hashing" }
 http = { workspace = true }
-parking_lot = { workspace = true }
 prost = { workspace = true }
 protos = { path = "../../protos" }
 opendal = { workspace = true }
diff --git a/src/rust/engine/remote_provider/remote_provider_traits/Cargo.toml b/src/rust/engine/remote_provider/remote_provider_traits/Cargo.toml
index 4a381c3bb7f..d58c3a3af47 100644
--- a/src/rust/engine/remote_provider/remote_provider_traits/Cargo.toml
+++ b/src/rust/engine/remote_provider/remote_provider_traits/Cargo.toml
@@ -6,7 +6,6 @@ authors = ["Pants Build <pantsbuild@gmail.com>"]
 publish = false
 
 [dependencies]
-async-oncecell = { workspace = true }
 async-trait = { workspace = true }
 bytes = { workspace = true }
 grpc_util = { path = "../../grpc_util" }
@@ -18,3 +17,6 @@ tokio = { workspace = true, features = ["fs"] }
 
 [lints]
 workspace = true
+
+[package.metadata.cargo-machete]
+ignored = ["strum"]
diff --git a/src/rust/engine/sharded_lmdb/Cargo.toml b/src/rust/engine/sharded_lmdb/Cargo.toml
index 6e54027e2cf..c2ace6f4e78 100644
--- a/src/rust/engine/sharded_lmdb/Cargo.toml
+++ b/src/rust/engine/sharded_lmdb/Cargo.toml
@@ -6,8 +6,6 @@ edition = "2021"
 
 [dependencies]
 bytes = { workspace = true }
-fs = { path = "../fs" }
-futures = { workspace = true }
 hashing = { path = "../hashing" }
 lmdb-rkv = { workspace = true }
 log = { workspace = true }
@@ -20,3 +18,6 @@ tokio = { workspace = true, features = ["macros"] }
 
 [lints]
 workspace = true
+
+[package.metadata.cargo-machete]
+ignored = ["lmdb-rkv"]
diff --git a/src/rust/engine/testutil/Cargo.toml b/src/rust/engine/testutil/Cargo.toml
index ef0e9b40cbf..99361322976 100644
--- a/src/rust/engine/testutil/Cargo.toml
+++ b/src/rust/engine/testutil/Cargo.toml
@@ -6,12 +6,10 @@ authors = ["Pants Build <pantsbuild@gmail.com>"]
 publish = false
 
 [dependencies]
-async-stream = { workspace = true }
 bytes = { workspace = true }
 fs = { path = "../fs" }
 grpc_util = { path = "../grpc_util" }
 hashing = { path = "../hashing" }
-prost = { workspace = true }
 protos = { path = "../protos" }
 tempfile = { workspace = true }
 tokio = { workspace = true }
diff --git a/src/rust/engine/testutil/mock/Cargo.toml b/src/rust/engine/testutil/mock/Cargo.toml
index 2b45e495ca6..7653b230e28 100644
--- a/src/rust/engine/testutil/mock/Cargo.toml
+++ b/src/rust/engine/testutil/mock/Cargo.toml
@@ -9,13 +9,9 @@ publish = false
 async-stream = { workspace = true }
 bytes = { workspace = true }
 futures = { workspace = true }
-grpc_util = { path = "../../grpc_util" }
 hashing = { path = "../../hashing" }
-hyper = { workspace = true }
-log = { workspace = true }
 parking_lot = { workspace = true }
 prost = { workspace = true }
-prost-types = { workspace = true }
 protos = { path = "../../protos" }
 testutil = { path = ".." }
 tokio = { workspace = true, features = ["time"] }
diff --git a/src/rust/engine/ui/Cargo.toml b/src/rust/engine/ui/Cargo.toml
index 557f05e21de..e7fc44e0e45 100644
--- a/src/rust/engine/ui/Cargo.toml
+++ b/src/rust/engine/ui/Cargo.toml
@@ -16,7 +16,6 @@ prodash = { workspace = true }
 stdio = { path = "../stdio" }
 terminal_size = { workspace = true }
 task_executor = { path = "../task_executor" }
-uuid = { workspace = true, features = ["v4"] }
 workunit_store = { path = "../workunit_store" }
 
 [lints]
diff --git a/src/rust/engine/watch/Cargo.toml b/src/rust/engine/watch/Cargo.toml
index fb38846d092..d8040db3386 100644
--- a/src/rust/engine/watch/Cargo.toml
+++ b/src/rust/engine/watch/Cargo.toml
@@ -8,8 +8,6 @@ publish = false
 [dependencies]
 crossbeam-channel = { workspace = true }
 fs = { path = "../fs" }
-futures = { workspace = true }
-hashing = { path = "../hashing" }
 log = { workspace = true }
 # TODO: See https://github.com/notify-rs/notify/issues/255.
 notify = { workspace = true }