diff --git a/.coveragerc b/.coveragerc
index e2e7969b81..1b9e8d18ea 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -6,6 +6,7 @@ source = wagtail
 
 omit =
     */migrations/*
+    */tests/*
     docs/conf.py
 
 
diff --git a/package.json b/package.json
index c56be2187c..f1e8106b90 100644
--- a/package.json
+++ b/package.json
@@ -44,6 +44,10 @@
       "/node_modules/",
       "/build/"
     ],
+    "coveragePathIgnorePatterns": [
+      "/node_modules/",
+      "/tests/"
+    ],
     "setupFiles": [
       "./client/tests/adapter.js",
       "./client/tests/stubs.js",