| Index: src/platform-nullos.cc | 
| diff --git a/src/platform-nullos.cc b/src/platform-nullos.cc | 
| index d309806ec7b897ea97f1c4bcf94f2d42237fa159..93425576696cb22be185e6c4f31c528651d29c65 100644 | 
| --- a/src/platform-nullos.cc | 
| +++ b/src/platform-nullos.cc | 
| @@ -217,20 +217,6 @@ void OS::Free(void* buf, const size_t length) { | 
| } | 
|  | 
|  | 
| -#ifdef ENABLE_HEAP_PROTECTION | 
| - | 
| -void OS::Protect(void* address, size_t size) { | 
| -  UNIMPLEMENTED(); | 
| -} | 
| - | 
| - | 
| -void OS::Unprotect(void* address, size_t size, bool is_executable) { | 
| -  UNIMPLEMENTED(); | 
| -} | 
| - | 
| -#endif | 
| - | 
| - | 
| void OS::Sleep(int milliseconds) { | 
| UNIMPLEMENTED(); | 
| } | 
|  |