diff --git a/Cargo.lock b/Cargo.lock
index f11bfe09cb..e7e0b16dac 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4531,7 +4531,6 @@ version = "0.9.0"
 dependencies = [
  "arrow-array",
  "fsst-rs",
- "rstest",
  "serde",
  "vortex-array",
  "vortex-buffer",
diff --git a/encodings/fsst/Cargo.toml b/encodings/fsst/Cargo.toml
index 57c944745d..3eda98b7ba 100644
--- a/encodings/fsst/Cargo.toml
+++ b/encodings/fsst/Cargo.toml
@@ -14,9 +14,6 @@ rust-version = { workspace = true }
 [lints]
 workspace = true
 
-[dev-dependencies]
-rstest = { workspace = true }
-
 [dependencies]
 arrow-array = { workspace = true }
 fsst-rs = { workspace = true }