diff --git a/packages/google-cloud-language/.mocharc.json b/packages/google-cloud-language/.mocharc.json
new file mode 100644
index 00000000000..670c5e2c24b
--- /dev/null
+++ b/packages/google-cloud-language/.mocharc.json
@@ -0,0 +1,5 @@
+{
+  "enable-source-maps": true,
+  "throw-deprecation": true,
+  "timeout": 10000
+}
diff --git a/packages/google-cloud-language/package.json b/packages/google-cloud-language/package.json
index 6472b033a86..3bddaaf6d8d 100644
--- a/packages/google-cloud-language/package.json
+++ b/packages/google-cloud-language/package.json
@@ -56,7 +56,6 @@
     "eslint-plugin-node": "^11.0.0",
     "eslint-plugin-prettier": "^3.0.0",
     "gts": "^1.0.0",
-    "intelli-espower-loader": "^1.0.1",
     "jsdoc": "^3.5.5",
     "jsdoc-fresh": "^1.0.1",
     "jsdoc-region-tag": "^1.0.2",
@@ -64,7 +63,6 @@
     "mocha": "^7.0.0",
     "null-loader": "^3.0.0",
     "pack-n-play": "^1.0.0-2",
-    "power-assert": "^1.6.0",
     "prettier": "^1.11.1",
     "ts-loader": "^6.2.1",
     "typescript": "^3.7.0",
diff --git a/packages/google-cloud-language/test/mocha.opts b/packages/google-cloud-language/test/mocha.opts
deleted file mode 100644
index 8751e7bae37..00000000000
--- a/packages/google-cloud-language/test/mocha.opts
+++ /dev/null
@@ -1,3 +0,0 @@
---require intelli-espower-loader
---timeout 10000
---throw-deprecation