diff --git a/packages/google-cloud-speech/.mocharc.json b/packages/google-cloud-speech/.mocharc.json
new file mode 100644
index 00000000000..670c5e2c24b
--- /dev/null
+++ b/packages/google-cloud-speech/.mocharc.json
@@ -0,0 +1,5 @@
+{
+  "enable-source-maps": true,
+  "throw-deprecation": true,
+  "timeout": 10000
+}
diff --git a/packages/google-cloud-speech/package.json b/packages/google-cloud-speech/package.json
index 3b56ea8f709..43f8cd8b994 100644
--- a/packages/google-cloud-speech/package.json
+++ b/packages/google-cloud-speech/package.json
@@ -60,7 +60,6 @@
     "eslint-plugin-node": "^11.0.0",
     "eslint-plugin-prettier": "^3.0.0",
     "gts": "^1.1.2",
-    "intelli-espower-loader": "^1.0.1",
     "jsdoc": "^3.5.5",
     "jsdoc-fresh": "^1.0.1",
     "jsdoc-region-tag": "^1.0.2",
@@ -68,7 +67,6 @@
     "mocha": "^7.0.0",
     "null-loader": "^3.0.0",
     "pack-n-play": "^1.0.0-2",
-    "power-assert": "^1.6.0",
     "prettier": "^1.13.5",
     "sinon": "^8.0.0",
     "ts-loader": "^6.2.1",
diff --git a/packages/google-cloud-speech/test/mocha.opts b/packages/google-cloud-speech/test/mocha.opts
deleted file mode 100644
index 8751e7bae37..00000000000
--- a/packages/google-cloud-speech/test/mocha.opts
+++ /dev/null
@@ -1,3 +0,0 @@
---require intelli-espower-loader
---timeout 10000
---throw-deprecation