diff --git a/clang/runtime/dpct-rt/include/dpl_extras/vector.h.inc b/clang/runtime/dpct-rt/include/dpl_extras/vector.h.inc
index f22897765e9c..ed68cb054c7f 100644
--- a/clang/runtime/dpct-rt/include/dpl_extras/vector.h.inc
+++ b/clang/runtime/dpct-rt/include/dpl_extras/vector.h.inc
@@ -682,10 +682,6 @@ public:
   reference front() { return *begin(); }
   const_reference back(void) const { return *(end() - 1); }
   reference back(void) { return *(end() - 1); }
-  pointer data(void) { return reinterpret_cast<pointer>(_storage); }
-  const_pointer data(void) const {
-    return reinterpret_cast<const_pointer>(_storage);
-  }
   void shrink_to_fit(void) {
     if (_size != capacity()) {
       void *a = alloc_store(_size * sizeof(T));
diff --git a/clang/test/dpct/helper_files_ref/include/dpl_extras/vector.h b/clang/test/dpct/helper_files_ref/include/dpl_extras/vector.h
index 7c3fc27e8c6d..4b588428ca11 100644
--- a/clang/test/dpct/helper_files_ref/include/dpl_extras/vector.h
+++ b/clang/test/dpct/helper_files_ref/include/dpl_extras/vector.h
@@ -627,10 +627,6 @@ class device_vector {
   reference front() { return *begin(); }
   const_reference back(void) const { return *(end() - 1); }
   reference back(void) { return *(end() - 1); }
-  pointer data(void) { return reinterpret_cast<pointer>(_storage); }
-  const_pointer data(void) const {
-    return reinterpret_cast<const_pointer>(_storage);
-  }
   void shrink_to_fit(void) {
     if (_size != capacity()) {
       void *a = alloc_store(_size * sizeof(T));