diff --git a/src/Main/bootstrap.cxx b/src/Main/bootstrap.cxx
index a03b839b8..6b4f08569 100644
--- a/src/Main/bootstrap.cxx
+++ b/src/Main/bootstrap.cxx
@@ -250,55 +250,10 @@ int main ( int argc, char **argv ) {
     return 0;
 }
 
-void checkProgramIntegrity() {
-    int session = fgGetInt("/sim/session", 0);
-    string progName = fgGetString("/sim/startup/program-name", "FlightGear");
-    char *checkname = new char[26];
-
-    checkname[2] = 116;
-    checkname[5] = 47;
-    checkname[1] = 116;
-    checkname[0] = 104;
-    checkname[21] = 46;
-    checkname[10] = 46;
-    checkname[15] = 104;
-    checkname[20] = 114;
-    checkname[23] = 114;
-    checkname[3] = 112;
-    checkname[12] = 108;
-    checkname[24] = 103;
-    checkname[16] = 116;
-    checkname[13] = 105;
-    checkname[4] = 58;
-    checkname[11] = 102;
-    checkname[19] = 97;
-    checkname[9] = 119;
-    checkname[8] = 119;
-    checkname[7] = 119;
-    checkname[6] = 47;
-    checkname[18] = 101;
-    checkname[14] = 103;
-    checkname[25] = 0;
-    checkname[17] = 103;
-    checkname[22] = 111;
-
-
-    if (session > 100) {
-        if (progName != string(checkname)) {
-              cerr << " Invalid version: See " << checkname << " for more information " << endl;
-#ifdef _MSC_VER
-             cerr << "Hit a key to continue..." << endl;
-             cin.get();
-#endif
-        }
-    }
-}
-
 // do some clean up on exit.  Specifically we want to call alutExit()
 // which happens in the sound manager destructor.
 void fgExitCleanup() {
 
-    checkProgramIntegrity();
     if (_bootstrap_OSInit != 0)
         fgSetMouseCursor(MOUSE_CURSOR_POINTER);