diff --git a/include/pocketpy/vm.h b/include/pocketpy/vm.h
index 61f997e9..ff357d72 100644
--- a/include/pocketpy/vm.h
+++ b/include/pocketpy/vm.h
@@ -166,18 +166,9 @@ public:
     VM(bool enable_os=true);
 
     void set_main_argv(int argc, char** argv);
+    
     void __breakpoint();
-
-    void __pop_frame(){
-        s_data.reset(callstack.top()._sp_base);
-        callstack.pop();
-
-#if PK_ENABLE_PROFILER
-        if(!_next_breakpoint.empty() && callstack.size()<_next_breakpoint.callstack_size){
-            _next_breakpoint = NextBreakpoint();
-        }
-#endif
-    }
+    void __pop_frame();
 
     PyObject* py_str(PyObject* obj);
     PyObject* py_repr(PyObject* obj);
diff --git a/src/vm.cpp b/src/vm.cpp
index 6d8604d6..a9e9db81 100644
--- a/src/vm.cpp
+++ b/src/vm.cpp
@@ -1513,6 +1513,17 @@ void NextBreakpoint::_step(VM* vm){
 }
 #endif
 
+void VM::__pop_frame(){
+    s_data.reset(callstack.top()._sp_base);
+    callstack.pop();
+
+#if PK_ENABLE_PROFILER
+    if(!_next_breakpoint.empty() && callstack.size()<_next_breakpoint.callstack_size){
+        _next_breakpoint = NextBreakpoint();
+    }
+#endif
+}
+
 void VM::__breakpoint(){
 #if PK_ENABLE_PROFILER
     _next_breakpoint = NextBreakpoint();