diff --git a/mozilla/extensions/auth/nsAuthModuleGSSAPI.cpp b/mozilla/extensions/auth/nsAuthModuleGSSAPI.cpp
index a89399d382a..3995604d136 100644
--- a/mozilla/extensions/auth/nsAuthModuleGSSAPI.cpp
+++ b/mozilla/extensions/auth/nsAuthModuleGSSAPI.cpp
@@ -219,16 +219,6 @@ nsNegotiateAuth::GetNextToken(const void *inToken,
         Reset();
     }
 
-#if defined(XP_MACOSX)
-    // Suppress Kerberos prompts to get credentials.  See bug 240643.
-    KLBoolean found;
-    if (KLCacheHasValidTickets(NULL, kerberosVersion_V5, &found, NULL, NULL) != klNoErr || !found)
-    {
-        major_status = GSS_S_FAILURE;
-        minor_status = 0;
-    }
-    else
-#endif /* XP_MACOSX */
     major_status = gss_init_sec_context(&minor_status,
                                         GSS_C_NO_CREDENTIAL,
                                         &mCtx,