diff --git a/mlir/test/IR/parser.mlir b/mlir/test/IR/parser.mlir
index a42bf3238ea36..585f7de40aaf1 100644
--- a/mlir/test/IR/parser.mlir
+++ b/mlir/test/IR/parser.mlir
@@ -1224,10 +1224,3 @@ func @pretty_names() {
   // CHECK: return
   return
 }
-
-// CHECK-LABEL: func @zero_whitespace() {
-// CHECK-NEXT: return
-func @zero_whitespace() {
-     // This is a \0 byte.
-  return
-}
diff --git a/mlir/test/IR/zero_whitespace.mlir b/mlir/test/IR/zero_whitespace.mlir
new file mode 100644
index 0000000000000..eb5de67747f34
Binary files /dev/null and b/mlir/test/IR/zero_whitespace.mlir differ