diff --git a/addons/xterm-addon-attach/src/tsconfig.json b/addons/xterm-addon-attach/src/tsconfig.json
index 8acefce5..9a92ab48 100644
--- a/addons/xterm-addon-attach/src/tsconfig.json
+++ b/addons/xterm-addon-attach/src/tsconfig.json
@@ -10,8 +10,7 @@
     "outDir": "../lib",
     "sourceMap": true,
     "removeComments": true,
-    "strict": true,
-    "noImplicitAny": true
+    "strict": true
   },
   "include": [
     "./**/*",
diff --git a/addons/xterm-addon-fit/src/tsconfig.json b/addons/xterm-addon-fit/src/tsconfig.json
index 66bf3fb6..6b914e81 100644
--- a/addons/xterm-addon-fit/src/tsconfig.json
+++ b/addons/xterm-addon-fit/src/tsconfig.json
@@ -4,7 +4,6 @@
     "target": "es5",
     "lib": [
       "dom",
-      "es5",
       "es2015"
     ],
     "rootDir": ".",
diff --git a/addons/xterm-addon-web-links/src/tsconfig.json b/addons/xterm-addon-web-links/src/tsconfig.json
index 66bf3fb6..6b914e81 100644
--- a/addons/xterm-addon-web-links/src/tsconfig.json
+++ b/addons/xterm-addon-web-links/src/tsconfig.json
@@ -4,7 +4,6 @@
     "target": "es5",
     "lib": [
       "dom",
-      "es5",
       "es2015"
     ],
     "rootDir": ".",