diff --git a/mac_installer/PostInstall.cpp b/mac_installer/PostInstall.cpp
index 9ccc05eb01..abd7c7c0f2 100755
--- a/mac_installer/PostInstall.cpp
+++ b/mac_installer/PostInstall.cpp
@@ -1501,4 +1501,3 @@ void print_to_log_file(const char *format, ...) {
 
 #endif
 }
-const char *BOINC_RCSID_c7abe0490e="$Id$";