diff --git a/api/transport/stun.cc b/api/transport/stun.cc
index 53515b17aa..0bd2d24fa5 100644
--- a/api/transport/stun.cc
+++ b/api/transport/stun.cc
@@ -327,6 +327,25 @@ StunMessage::IntegrityStatus StunMessage::ValidateMessageIntegrity(
   return integrity_;
 }
 
+bool StunMessage::ValidateMessageIntegrityForTesting(
+    const char* data,
+    size_t size,
+    const std::string& password) {
+  return ValidateMessageIntegrityOfType(STUN_ATTR_MESSAGE_INTEGRITY,
+                                        kStunMessageIntegritySize, data, size,
+                                        password);
+}
+
+bool StunMessage::ValidateMessageIntegrity32ForTesting(
+    const char* data,
+    size_t size,
+    const std::string& password) {
+  return ValidateMessageIntegrityOfType(STUN_ATTR_GOOG_MESSAGE_INTEGRITY_32,
+                                        kStunMessageIntegrity32Size, data, size,
+                                        password);
+}
+
+// Deprecated
 bool StunMessage::ValidateMessageIntegrity(const char* data,
                                            size_t size,
                                            const std::string& password) {
@@ -335,6 +354,7 @@ bool StunMessage::ValidateMessageIntegrity(const char* data,
                                         password);
 }
 
+// Deprecated
 bool StunMessage::ValidateMessageIntegrity32(const char* data,
                                              size_t size,
                                              const std::string& password) {
diff --git a/api/transport/stun.h b/api/transport/stun.h
index 2098330f5a..72a77990b4 100644
--- a/api/transport/stun.h
+++ b/api/transport/stun.h
@@ -283,29 +283,27 @@ class StunMessage {
   bool EqualAttributes(const StunMessage* other,
                        std::function<bool(int type)> attribute_type_mask) const;
 
-  // Expose raw-buffer ValidateMessageIntegrity function for testing.
-  static bool ValidateMessageIntegrityForTesting(const char* data,
-                                                 size_t size,
-                                                 const std::string& password) {
-    return ValidateMessageIntegrity(data, size, password);
-  }
-  // Expose raw-buffer ValidateMessageIntegrity function for testing.
-  static bool ValidateMessageIntegrity32ForTesting(
-      const char* data,
-      size_t size,
-      const std::string& password) {
-    return ValidateMessageIntegrity32(data, size, password);
-  }
   // Validates that a STUN message in byte buffer form
   // has a correct MESSAGE-INTEGRITY value.
   // These functions are not recommended and will be deprecated; use
   // ValidateMessageIntegrity(password) on the parsed form instead.
-  static bool ValidateMessageIntegrity(const char* data,
-                                       size_t size,
-                                       const std::string& password);
-  static bool ValidateMessageIntegrity32(const char* data,
-                                         size_t size,
-                                         const std::string& password);
+  [[deprecated("Use member function")]] static bool ValidateMessageIntegrity(
+      const char* data,
+      size_t size,
+      const std::string& password);
+  [[deprecated("Use member function")]] static bool ValidateMessageIntegrity32(
+      const char* data,
+      size_t size,
+      const std::string& password);
+
+  // Expose raw-buffer ValidateMessageIntegrity function for testing.
+  static bool ValidateMessageIntegrityForTesting(const char* data,
+                                                 size_t size,
+                                                 const std::string& password);
+  // Expose raw-buffer ValidateMessageIntegrity function for testing.
+  static bool ValidateMessageIntegrity32ForTesting(const char* data,
+                                                   size_t size,
+                                                   const std::string& password);
 
  protected:
   // Verifies that the given attribute is allowed for this message.