diff --git a/Cargo.lock b/Cargo.lock
index 578ceac1c8..8ecca48c6b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -432,12 +432,6 @@ dependencies = [
  "generic-array 0.14.6",
 ]
 
-[[package]]
-name = "block-modes"
-version = "0.9.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e2211b0817f061502a8dd9f11a37e879e79763e3c698d2418cf824d8cb2f21e"
-
 [[package]]
 name = "block-padding"
 version = "0.3.2"
@@ -829,7 +823,6 @@ dependencies = [
  "deno_semver",
  "deno_task_shell",
  "dissimilar",
- "dotenv",
  "dprint-plugin-json",
  "dprint-plugin-markdown",
  "dprint-plugin-typescript",
@@ -1021,7 +1014,6 @@ dependencies = [
  "aes-gcm",
  "aes-kw",
  "base64 0.13.1",
- "block-modes",
  "cbc",
  "const-oid",
  "ctr",
@@ -1096,7 +1088,6 @@ dependencies = [
  "reqwest",
  "serde",
  "tokio",
- "tokio-stream",
  "tokio-util",
 ]
 
@@ -1200,7 +1191,6 @@ dependencies = [
  "deno_core",
  "filetime",
  "fs3",
- "nix",
  "once_cell",
  "tokio",
  "winapi",
@@ -1335,7 +1325,6 @@ dependencies = [
  "serde",
  "sha-1",
  "sha2",
- "sha3",
  "signature 1.6.4",
  "tokio",
  "typenum",
@@ -1487,7 +1476,6 @@ dependencies = [
  "deno_core",
  "deno_webidl",
  "serde",
- "serde_repr",
  "urlpattern",
 ]
 
@@ -1670,12 +1658,6 @@ dependencies = [
  "syn 0.15.44",
 ]
 
-[[package]]
-name = "dotenv"
-version = "0.15.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "77c90badedccf4105eca100756a0b1289e191f6fcbdadd3cee1d2f614f97da8f"
-
 [[package]]
 name = "dprint-core"
 version = "0.62.1"
@@ -2811,15 +2793,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "keccak"
-version = "0.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3afef3b6eff9ce9d8ff9b3601125eec7f0c8cbac7abd14f355d053fa56c98768"
-dependencies = [
- "cpufeatures",
-]
-
 [[package]]
 name = "kqueue"
 version = "1.0.7"
@@ -4528,16 +4501,6 @@ dependencies = [
  "digest 0.10.6",
 ]
 
-[[package]]
-name = "sha3"
-version = "0.10.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bdf0c33fae925bdc080598b84bc15c55e7b9a4a43b3c704da051f977469691c9"
-dependencies = [
- "digest 0.10.6",
- "keccak",
-]
-
 [[package]]
 name = "shell-escape"
 version = "0.1.5"
@@ -5301,7 +5264,6 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "async-stream",
- "atty",
  "base64 0.13.1",
  "console_static_text",
  "fastwebsockets",
@@ -6433,9 +6395,9 @@ dependencies = [
 
 [[package]]
 name = "zstd-sys"
-version = "2.0.7+zstd.1.5.4"
+version = "2.0.8+zstd.1.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94509c3ba2fe55294d752b79842c530ccfab760192521df74a081a78d2b3c7f5"
+checksum = "5556e6ee25d32df2586c098bbfa278803692a20d0ab9565e049480d52707ec8c"
 dependencies = [
  "cc",
  "libc",
diff --git a/cli/Cargo.toml b/cli/Cargo.toml
index 88ec8050a0..3fb22eee1b 100644
--- a/cli/Cargo.toml
+++ b/cli/Cargo.toml
@@ -125,7 +125,6 @@ nix.workspace = true
 
 [dev-dependencies]
 deno_bench_util.workspace = true
-dotenv = "=0.15.0"
 flaky_test = "=0.1.0"
 once_cell.workspace = true
 os_pipe.workspace = true
diff --git a/ext/crypto/Cargo.toml b/ext/crypto/Cargo.toml
index f31cefdb05..ea3da27a91 100644
--- a/ext/crypto/Cargo.toml
+++ b/ext/crypto/Cargo.toml
@@ -18,7 +18,6 @@ aes.workspace = true
 aes-gcm = "0.10"
 aes-kw = { version = "0.2.1", features = ["alloc"] }
 base64.workspace = true
-block-modes = "0.9.1"
 cbc.workspace = true
 const-oid = "0.9.0"
 ctr = "0.9.1"
diff --git a/ext/fetch/Cargo.toml b/ext/fetch/Cargo.toml
index 0ecb15c9e8..3476af2206 100644
--- a/ext/fetch/Cargo.toml
+++ b/ext/fetch/Cargo.toml
@@ -23,5 +23,4 @@ http.workspace = true
 reqwest.workspace = true
 serde.workspace = true
 tokio.workspace = true
-tokio-stream = "0.1.8"
 tokio-util = { workspace = true, features = ["io"] }
diff --git a/ext/io/Cargo.toml b/ext/io/Cargo.toml
index dffed9519c..5b9d8ac422 100644
--- a/ext/io/Cargo.toml
+++ b/ext/io/Cargo.toml
@@ -21,8 +21,5 @@ fs3.workspace = true
 once_cell.workspace = true
 tokio.workspace = true
 
-[target.'cfg(unix)'.dependencies]
-nix.workspace = true
-
 [target.'cfg(windows)'.dependencies]
 winapi = { workspace = true, features = ["winbase", "processenv"] }
diff --git a/ext/node/Cargo.toml b/ext/node/Cargo.toml
index db76b9615c..0c0beda650 100644
--- a/ext/node/Cargo.toml
+++ b/ext/node/Cargo.toml
@@ -57,7 +57,6 @@ secp256k1 = { version = "0.27.0", features = ["rand-std"] }
 serde = "1.0.149"
 sha-1 = "0.10.0"
 sha2.workspace = true
-sha3 = "0.10.5"
 signature.workspace = true
 tokio.workspace = true
 typenum = "1.15.0"
diff --git a/ext/url/Cargo.toml b/ext/url/Cargo.toml
index 45f8ad9377..f5d9d68dd1 100644
--- a/ext/url/Cargo.toml
+++ b/ext/url/Cargo.toml
@@ -16,7 +16,6 @@ path = "lib.rs"
 [dependencies]
 deno_core.workspace = true
 serde.workspace = true
-serde_repr.workspace = true
 urlpattern = "0.2.0"
 
 [dev-dependencies]
diff --git a/test_util/Cargo.toml b/test_util/Cargo.toml
index e4a992b51e..73df1fab98 100644
--- a/test_util/Cargo.toml
+++ b/test_util/Cargo.toml
@@ -16,7 +16,6 @@ path = "src/test_server.rs"
 [dependencies]
 anyhow.workspace = true
 async-stream = "0.3.3"
-atty.workspace = true
 base64.workspace = true
 console_static_text.workspace = true
 fastwebsockets = { workspace = true, features = ["upgrade"] }