diff --git a/mlir/lib/Conversion/StandardToLLVM/StandardToLLVM.cpp b/mlir/lib/Conversion/StandardToLLVM/StandardToLLVM.cpp
--- a/mlir/lib/Conversion/StandardToLLVM/StandardToLLVM.cpp
+++ b/mlir/lib/Conversion/StandardToLLVM/StandardToLLVM.cpp
@@ -1241,8 +1241,6 @@
 /// Lowering for AllocOp and AllocaOp.
 template <typename AllocLikeOp>
 struct AllocLikeOpLowering : public ConvertOpToLLVMPattern<AllocLikeOp> {
-  using ConvertOpToLLVMPattern<AllocLikeOp>::ConvertOpToLLVMPattern;
-  using Base = AllocLikeOpLowering<AllocLikeOp>;
   using ConvertOpToLLVMPattern<AllocLikeOp>::createIndexConstant;
   using ConvertOpToLLVMPattern<AllocLikeOp>::getIndexType;
   using ConvertOpToLLVMPattern<AllocLikeOp>::typeConverter;