diff --git a/ui/component/viewers/codeViewer.jsx b/ui/component/viewers/codeViewer.jsx
index 96dd3115d..1f9eac8aa 100644
--- a/ui/component/viewers/codeViewer.jsx
+++ b/ui/component/viewers/codeViewer.jsx
@@ -42,7 +42,7 @@ class CodeViewer extends React.PureComponent<Props> {
   componentDidMount() {
     const me = this;
     const { theme, contentType } = me.props;
-    alert(theme);
+
     // Init CodeMirror
     import(
       /* webpackChunkName: "codemirror" */