diff --git a/scripts/test_rustc_tests.sh b/scripts/test_rustc_tests.sh
index 636f2875a68..3c9df40737a 100755
--- a/scripts/test_rustc_tests.sh
+++ b/scripts/test_rustc_tests.sh
@@ -145,6 +145,7 @@ rm tests/ui/codegen/subtyping-enforces-type-equality.rs # assert_assignable bug
 # ======================
 rm tests/ui/backtrace.rs # TODO warning
 rm tests/ui/process/nofile-limit.rs # TODO some AArch64 linking issue
+rm tests/ui/async-await/async-closures/once.rs # FIXME bug in the rustc FnAbi calculation code
 
 rm tests/ui/stdio-is-blocking.rs # really slow with unoptimized libstd