diff --git a/include/kunit/assert.h b/include/kunit/assert.h
index 43144cfddc19..24c2b9fa61e8 100644
--- a/include/kunit/assert.h
+++ b/include/kunit/assert.h
@@ -192,13 +192,6 @@ void kunit_binary_str_assert_format(const struct kunit_assert *assert,
 				    const struct va_format *message,
 				    struct string_stream *stream);
 
-#define KUNIT_INIT_MEM_ASSERT_STRUCT(text_, left_val, right_val, size_) {      \
-	.text = text_,							       \
-	.left_value = left_val,						       \
-	.right_value = right_val,				       	       \
-	.size = size_						       	       \
-}
-
 /**
  * struct kunit_mem_assert - An expectation/assertion that compares two
  *	memory blocks.
diff --git a/include/kunit/test.h b/include/kunit/test.h
index d7f60e8aab30..4666a4d199ea 100644
--- a/include/kunit/test.h
+++ b/include/kunit/test.h
@@ -666,13 +666,13 @@ do {									       \
 			    left,					       \
 			    op,						       \
 			    right,					       \
-			    size,					       \
+			    size_,					       \
 			    fmt,					       \
 			    ...)					       \
 do {									       \
 	const void *__left = (left);					       \
 	const void *__right = (right);					       \
-	const size_t __size = (size);					       \
+	const size_t __size = (size_);					       \
 	static const struct kunit_binary_assert_text __text = {		       \
 		.operation = #op,					       \
 		.left_text = #left,					       \
@@ -686,10 +686,10 @@ do {									       \
 		      assert_type,					       \
 		      kunit_mem_assert,					       \
 		      kunit_mem_assert_format,				       \
-		      KUNIT_INIT_MEM_ASSERT_STRUCT(&__text,		       \
-						   __left,		       \
-						   __right,		       \
-						   __size),		       \
+		      KUNIT_INIT_ASSERT(.text = &__text,		       \
+					.left_value = __left,		       \
+					.right_value = __right,		       \
+					.size = __size),		       \
 		      fmt,						       \
 		      ##__VA_ARGS__);					       \
 } while (0)