diff --git a/package.json b/package.json
index 35da55a30..8fe2dc04a 100644
--- a/package.json
+++ b/package.json
@@ -85,7 +85,6 @@
     "glob": "^7.0.6",
     "istanbul-lib-coverage": "^1.2.0",
     "istanbul-lib-hook": "^1.1.0",
-    "istanbul-lib-instrument": "^2.1.0",
     "istanbul-lib-report": "^1.1.3",
     "istanbul-lib-source-maps": "^1.2.5",
     "istanbul-reports": "^1.4.1",