diff --git a/mlir/include/mlir/Dialect/Quant/UniformSupport.h b/mlir/include/mlir/Dialect/Quant/UniformSupport.h
--- a/mlir/include/mlir/Dialect/Quant/UniformSupport.h
+++ b/mlir/include/mlir/Dialect/Quant/UniformSupport.h
@@ -31,7 +31,7 @@
 /// process.
 struct ExpressedToQuantizedConverter {
   /// Creates a converter for the given input type.
-  static const ExpressedToQuantizedConverter forInputType(Type inputType);
+  static ExpressedToQuantizedConverter forInputType(Type inputType);
 
   /// Converts the inputType to be based on the given elemental type,
   /// returning the new type (or nullptr and emit an error on failure).
diff --git a/mlir/lib/Dialect/Quant/Utils/UniformSupport.cpp b/mlir/lib/Dialect/Quant/Utils/UniformSupport.cpp
--- a/mlir/lib/Dialect/Quant/Utils/UniformSupport.cpp
+++ b/mlir/lib/Dialect/Quant/Utils/UniformSupport.cpp
@@ -17,7 +17,7 @@
   return inputType.isa<FloatType>();
 }
 
-const ExpressedToQuantizedConverter
+ExpressedToQuantizedConverter
 ExpressedToQuantizedConverter::forInputType(Type inputType) {
   if (inputType.isa<TensorType, VectorType>()) {
     Type elementType = inputType.cast<ShapedType>().getElementType();