diff --git a/tvix/Cargo.lock b/tvix/Cargo.lock
index 911dad558..6633812d2 100644
--- a/tvix/Cargo.lock
+++ b/tvix/Cargo.lock
@@ -4352,7 +4352,6 @@ dependencies = [
  "dirs",
  "nix-compat",
  "rustyline",
- "test-case",
  "thiserror",
  "tokio",
  "tracing",
diff --git a/tvix/Cargo.nix b/tvix/Cargo.nix
index 176d1dcee..9c7788ab9 100644
--- a/tvix/Cargo.nix
+++ b/tvix/Cargo.nix
@@ -13940,12 +13940,6 @@ rec {
             packageId = "wu-manber";
           }
         ];
-        devDependencies = [
-          {
-            name = "test-case";
-            packageId = "test-case";
-          }
-        ];
 
       };
       "tvix-eval" = rec {
diff --git a/tvix/cli/Cargo.toml b/tvix/cli/Cargo.toml
index d15165383..ce8d36177 100644
--- a/tvix/cli/Cargo.toml
+++ b/tvix/cli/Cargo.toml
@@ -25,6 +25,3 @@ tracing-subscriber = { version = "0.3.16", features = ["json"] }
 
 [dependencies.wu-manber]
 git = "https://github.com/tvlfyi/wu-manber.git"
-
-[dev-dependencies]
-test-case = "3.3.1"