diff --git a/Cargo.lock b/Cargo.lock
index 60ba38463f408..76e1575d89e68 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -11361,8 +11361,6 @@ dependencies = [
  "fixedbitset 0.5.0",
  "futures",
  "futures-async-stream",
- "hex",
- "hmac",
  "iana-time-zone",
  "iceberg",
  "icelake",
@@ -11407,7 +11405,6 @@ dependencies = [
  "rw_futures_util",
  "serde",
  "serde_json",
- "sha1",
  "sha2",
  "smallvec",
  "speedate",
diff --git a/src/frontend/Cargo.toml b/src/frontend/Cargo.toml
index 072b590d1f9ab..c4cec5a5b9b31 100644
--- a/src/frontend/Cargo.toml
+++ b/src/frontend/Cargo.toml
@@ -37,8 +37,6 @@ fancy-regex = "0.14.0"
 fixedbitset = "0.5"
 futures = { version = "0.3", default-features = false, features = ["alloc"] }
 futures-async-stream = { workspace = true }
-hex = "0.4"
-hmac = "0.12"
 iana-time-zone = "0.1"
 iceberg = { workspace = true }
 icelake = { workspace = true }
@@ -82,7 +80,6 @@ risingwave_variables = { workspace = true }
 rw_futures_util = { workspace = true }
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
-sha1 = "0.10.6"
 sha2 = "0.10.7"
 smallvec = { version = "1.13.1", features = ["serde"] }
 speedate = "0.15.0"
@@ -111,7 +108,6 @@ tracing = "0.1"
 uuid = "1"
 zstd = { version = "0.13", default-features = false }
 
-
 [target.'cfg(not(madsim))'.dependencies]
 workspace-hack = { path = "../workspace-hack" }