diff --git a/pkgs/applications/editors/vscode/extensions/vscode-utils.nix b/pkgs/applications/editors/vscode/extensions/vscode-utils.nix
index ad1abe7f9402..acea5cb1a229 100644
--- a/pkgs/applications/editors/vscode/extensions/vscode-utils.nix
+++ b/pkgs/applications/editors/vscode/extensions/vscode-utils.nix
@@ -18,7 +18,6 @@ let
       finalAttrs:
       {
         pname ? null, # Only optional for backward compatibility.
-        src,
         # Same as "Unique Identifier" on the extension's web page.
         # For the moment, only serve as unique extension dir.
         vscodeExtPublisher,