diff --git a/mlir/include/mlir/Dialect/Arithmetic/Transforms/Passes.td b/mlir/include/mlir/Dialect/Arithmetic/Transforms/Passes.td
--- a/mlir/include/mlir/Dialect/Arithmetic/Transforms/Passes.td
+++ b/mlir/include/mlir/Dialect/Arithmetic/Transforms/Passes.td
@@ -28,7 +28,7 @@
   ];
 }
 
-def ArithmeticExpandOps : Pass<"arith-expand", "FuncOp"> {
+def ArithmeticExpandOps : Pass<"arith-expand"> {
   let summary = "Legalize Arithmetic ops to be convertible to LLVM.";
   let constructor = "mlir::arith::createArithmeticExpandOpsPass()";
   let dependentDialects = ["StandardOpsDialect"];