diff --git a/secret-squirrel.cjs b/secret-squirrel.cjs
new file mode 100644
index 0000000..8e9a4b4
--- /dev/null
+++ b/secret-squirrel.cjs
@@ -0,0 +1,12 @@
+module.exports = {
+	files: {
+		allow: [
+			'test/fixtures/config/sourcemap.js.map'
+		],
+		allowOverrides: []
+	},
+	strings: {
+		deny: [],
+		denyOverrides: []
+	}
+};
diff --git a/secrets.js b/secrets.js
deleted file mode 100644
index 444f6d8..0000000
--- a/secrets.js
+++ /dev/null
@@ -1,6 +0,0 @@
-module.exports = {
-	whitelist: [
-		'23077025-960d-11e6-afcc-07964ee4b5be', // test/fixtures/cloudWatchThresholdResponse.json
-		'f8585BOxnGQDMbnkJoM1e' // test/fixtures/config/graphiteWorkingFixture.js
-	]
-};
diff --git a/src/startup.js b/src/startup.js
index 42faa54..20057bf 100644
--- a/src/startup.js
+++ b/src/startup.js
@@ -45,6 +45,10 @@ function startup(configPath, additionalChecks){
 			return;
 		}
 
+		if(configFile.endsWith('.map')){
+			return;
+		}
+
 		const name = configFile.replace('.js', '');
 		const config = require(path.resolve(configDir, configFile));
 		const healthchecks = new HealthChecks(config, checks);
diff --git a/test/fixtures/config/sourcemap.js.map b/test/fixtures/config/sourcemap.js.map
new file mode 100644
index 0000000..8d26c8a
--- /dev/null
+++ b/test/fixtures/config/sourcemap.js.map
@@ -0,0 +1,20 @@
+{
+  "version": 3,
+  "file": "sourcemap.js",
+  "sourceRoot": "",
+  "sources": [
+    "foo.js",
+    "bar.js"
+  ],
+  "sourcesContent": [
+    null,
+    null
+  ],
+  "names": [
+    "src",
+    "maps",
+    "are",
+    "fun"
+  ],
+  "mappings": "A,AAAB;;ABCDE;"
+}
diff --git a/test/startup.spec.js b/test/startup.spec.js
index d9a253d..ae0b22e 100644
--- a/test/startup.spec.js
+++ b/test/startup.spec.js
@@ -10,6 +10,7 @@ describe('Startup', function(){
 
 	it('Should read in the config dir and create new healthcheck objects', function(){
 		const result = startup(path.resolve(__dirname, 'fixtures/config/'));
+		expect(result.get('sourcemap')).not.to.exist;
 		expect(result.get('paywall')).to.exist;
 		expect(result.get('paywall')).to.be.an.instanceOf(HealthChecks);
 	});