diff --git a/tests/cpp/include/test_mkldnn.h b/tests/cpp/include/test_mkldnn.h
index 85e6c49d4db3..7b566e2a04ae 100644
--- a/tests/cpp/include/test_mkldnn.h
+++ b/tests/cpp/include/test_mkldnn.h
@@ -175,6 +175,7 @@ inline static TestArrayShapes GetTestArrayShapes() {
     pds.push_back(GetMemPD(s, dtype, mkldnn::memory::format::x));
   }
   {
+    /*
     // 2D
     TShape s(2);
     s[0] = 96;
@@ -185,6 +186,7 @@ inline static TestArrayShapes GetTestArrayShapes() {
     s[1] = 363;
     shapes.push_back(s);
     pds.push_back(GetMemPD(s, dtype, mkldnn::memory::format::nc));
+    */
   }
   {
     /*