diff --git a/pkgs/development/misc/resholve/oildev.nix b/pkgs/development/misc/resholve/oildev.nix
index 4e7cdb5e6043..2098ec80f5ae 100644
--- a/pkgs/development/misc/resholve/oildev.nix
+++ b/pkgs/development/misc/resholve/oildev.nix
@@ -120,7 +120,6 @@ rec {
       rm cpp/stdlib.h # keep modules from finding the wrong stdlib?
       # work around hard parse failure documented in oilshell/oil#1468
       substituteInPlace osh/cmd_parse.py --replace 'elif self.c_id == Id.Op_LParen' 'elif False'
-    '' + lib.optionalString (!stdenv.hostPlatform.isGnu && !stdenv.hostPlatform.isDarwin) ''
       # disable fragile libc tests
       substituteInPlace build/py.sh --replace "py-ext-test pyext/libc_test.py" "#py-ext-test pyext/libc_test.py"
     '';