diff --git a/lib/sources.nix b/lib/sources.nix
index 343449d9a603..cec395c9bb18 100644
--- a/lib/sources.nix
+++ b/lib/sources.nix
@@ -4,7 +4,6 @@
 # Tested in lib/tests/sources.sh
 let
   inherit (builtins)
-    hasContext
     match
     readDir
     split