--- a/dom/ipc/ContentParent.cpp
+++ b/dom/ipc/ContentParent.cpp
@@ -5580,17 +5580,16 @@ ContentParent::RecvFileCreationRequest(c
                                        const int64_t& aLastModified,
                                        const bool& aExistenceCheck,
                                        const bool& aIsFromNsIFile)
 {
   // We allow the creation of File via this IPC call only for the 'file' process
   // or for testing.
   if (!mRemoteType.EqualsLiteral(FILE_REMOTE_TYPE) &&
       !Preferences::GetBool("dom.file.createInChild", false)) {
-    KillHard("FileCreationRequest is not supported.");
     return IPC_FAIL_NO_REASON(this);
   }
 
   RefPtr<BlobImpl> blobImpl;
   nsresult rv =
     FileCreatorHelper::CreateBlobImplForIPC(aFullPath, aType, aName,
                                             aLastModifiedPassed,
                                             aLastModified, aExistenceCheck,