diff --git a/packages/core/package-lock.json b/packages/core/package-lock.json
index 29f0526..69ab29f 100644
--- a/packages/core/package-lock.json
+++ b/packages/core/package-lock.json
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-            "emojis-list": "^2.0.0",
-            "json5": "^0.5.0"
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-            "ajv-errors": "^1.0.0",
-            "ajv-keywords": "^3.1.0"
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@@ -12970,9 +12982,9 @@
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@@ -12980,9 +12992,9 @@
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diff --git a/packages/core/package.json b/packages/core/package.json
index ad1ceda..6a29803 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -90,7 +90,7 @@
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     "loader-utils": "^1.2.3",
-    "mini-css-extract-plugin": "^0.4.3",
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     "mocha": "^5.2.0",
     "monaco-editor-webpack-plugin": "1.7.0",
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