diff --git a/shapefil.h b/shapefil.h
index 4844b7f..e4d6f1b 100644
--- a/shapefil.h
+++ b/shapefil.h
@@ -358,7 +358,6 @@ extern "C"
     int SHPAPI_CALL SHPWriteTree(SHPTree *hTree, const char *pszFilename);
 
     int SHPAPI_CALL SHPTreeAddShapeId(SHPTree *hTree, SHPObject *psObject);
-    int SHPAPI_CALL SHPTreeRemoveShapeId(SHPTree *hTree, int nShapeId);
 
     void SHPAPI_CALL SHPTreeTrimExtraNodes(SHPTree *hTree);