diff --git a/js/xpconnect/src/XPCWrappedNative.cpp b/js/xpconnect/src/XPCWrappedNative.cpp
index 5122f016a9bf..fa5a8fd89f1d 100644
--- a/js/xpconnect/src/XPCWrappedNative.cpp
+++ b/js/xpconnect/src/XPCWrappedNative.cpp
@@ -2210,11 +2210,6 @@ XPCWrappedNative::CallMethod(XPCCallContext& ccx,
 
     nsresult rv = ccx.CanCallNow();
     if (NS_FAILED(rv)) {
-        // If the security manager is complaining then this is not really an
-        // internal error in xpconnect. So, no reason to botch the assertion.
-        NS_ASSERTION(rv == NS_ERROR_XPC_SECURITY_MANAGER_VETO,
-                     "hmm? CanCallNow failed in XPCWrappedNative::CallMethod. "
-                     "We are finding out about this late!");
         return Throw(rv, ccx);
     }