diff --git a/pkgs/development/libraries/qt-5/5.15/default.nix b/pkgs/development/libraries/qt-5/5.15/default.nix
index dabb77ea0c85..1f9157e4a665 100644
--- a/pkgs/development/libraries/qt-5/5.15/default.nix
+++ b/pkgs/development/libraries/qt-5/5.15/default.nix
@@ -23,7 +23,7 @@ Check for any minor version changes.
 
 let
 
-  srcs = import ./srcs.nix { inherit lib fetchgit fetchFromGitHub; } // { __attrsFailEvaluation = true; };
+  srcs = import ./srcs.nix { inherit lib fetchgit fetchFromGitHub; };
 
   qtCompatVersion = srcs.qtbase.version;