diff --git a/lldb/unittests/ScriptInterpreter/Python/PythonTestSuite.cpp b/lldb/unittests/ScriptInterpreter/Python/PythonTestSuite.cpp
index 2ac631eba424..12ffdfe79ec3 100644
--- a/lldb/unittests/ScriptInterpreter/Python/PythonTestSuite.cpp
+++ b/lldb/unittests/ScriptInterpreter/Python/PythonTestSuite.cpp
@@ -59,6 +59,9 @@ extern "C" void init_lldb(void) {}
 #define LLDBSwigPyInit init_lldb
 #endif
 
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wreturn-type-c-linkage"
+
 extern "C" llvm::Expected<bool> LLDBSwigPythonBreakpointCallbackFunction(
     const char *python_function_name, const char *session_dictionary_name,
     const lldb::StackFrameSP &sb_frame,
@@ -67,6 +70,8 @@ extern "C" llvm::Expected<bool> LLDBSwigPythonBreakpointCallbackFunction(
   return false;
 }
 
+#pragma clang diagnostic pop
+
 extern "C" bool LLDBSwigPythonWatchpointCallbackFunction(
     const char *python_function_name, const char *session_dictionary_name,
     const lldb::StackFrameSP &sb_frame, const lldb::WatchpointSP &sb_wp) {