diff --git a/velox/functions/sparksql/Hash.cpp b/velox/functions/sparksql/Hash.cpp
index b115f4382ccc..8d48f9d882db 100644
--- a/velox/functions/sparksql/Hash.cpp
+++ b/velox/functions/sparksql/Hash.cpp
@@ -181,8 +181,6 @@ template <
 class PrimitiveVectorHasher
     : public VectorHasher<HashClass, SeedType, ReturnType> {
  public:
-  using T = typename TypeTraits<kind>::NativeType;
-
   PrimitiveVectorHasher(DecodedVector& decoded)
       : VectorHasher<HashClass, SeedType, ReturnType>(decoded) {}