diff --git a/package-lock.json b/package-lock.json
index 62073b01..b0c12c82 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1459,9 +1459,9 @@
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@@ -11011,6 +11065,15 @@
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+          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.7.1.tgz",
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@@ -11022,11 +11085,69 @@
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+          "resolved": "https://registry.npmjs.org/terser/-/terser-4.4.2.tgz",
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+          "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
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+        "yallist": {
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+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
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@@ -11118,7 +11239,8 @@
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-      "dev": true
+      "dev": true,
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@@ -11174,7 +11296,8 @@
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-      "dev": true
+      "dev": true,
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@@ -11274,6 +11397,7 @@
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       "integrity": "sha1-42RqLqTokTEr9+rObPsFOAvAHCE=",
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@@ -11393,6 +11517,7 @@
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@@ -11456,38 +11581,15 @@
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-      "integrity": "sha1-XHHDTLW61dzr4+oM0IIHulqhrqQ=",
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/union-value/-/union-value-1.0.1.tgz",
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-          "dev": true,
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-          "integrity": "sha1-fbCPnT0i3H945Trzw79GZuzfzPE=",
-          "dev": true,
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-            "is-plain-object": "^2.0.1",
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+        "set-value": "^2.0.1"
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@@ -11636,7 +11738,8 @@
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       "integrity": "sha1-FQWgOiiaSMvXpDTvuu7FBV9WM6k=",
-      "dev": true
+      "dev": true,
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@@ -11915,15 +12018,6 @@
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@@ -12018,6 +12112,7 @@
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       "integrity": "sha1-x+sXyT4RLLEIb6bY5R+wZnt5pfk=",
       "dev": true,
+      "optional": true,
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diff --git a/package.json b/package.json
index 5caa8b33..1078be29 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
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     "@babel/preset-env": "^7.1.6",
     "babel-loader": "^8.0.4",
-    "browser-sync": "^2.26.5",
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     "del": "^3.0.0",
     "eslint": "^5.9.0",
     "eslint-config-airbnb-base": "^13.1.0",