diff --git a/src/extensions/default/DarkTheme/package.json b/src/extensions/default/DarkTheme/package.json
index afc71ee80..6eac641d2 100644
--- a/src/extensions/default/DarkTheme/package.json
+++ b/src/extensions/default/DarkTheme/package.json
@@ -10,6 +10,5 @@
     "theme": {
         "file": "main.less",
         "dark": true
-    },
-    "screenshot": "screenshot.png"
+    }
 }
diff --git a/src/extensions/default/LightTheme/package.json b/src/extensions/default/LightTheme/package.json
index b4037ec60..16bf90b12 100644
--- a/src/extensions/default/LightTheme/package.json
+++ b/src/extensions/default/LightTheme/package.json
@@ -9,6 +9,5 @@
     },
     "theme": {
         "file": "main.less"
-    },
-    "screenshot": "screenshot.png"
+    }
 }