diff --git a/lib/config/env.js b/lib/config/env.js
index 31fcc42e484ce95f54838ffbb522ff07c445132e..242780a0eaef5273d0bae7d4642b55408d9f9450 100644
--- a/lib/config/env.js
+++ b/lib/config/env.js
@@ -104,6 +104,7 @@ function getConfig(env) {
     config.endpoint = env.GITHUB_ENDPOINT;
   }
 
+  /* eslint-disable no-param-reassign */
   delete env.GITHUB_TOKEN;
   delete env.GITHUB_ENDPOINT;
   delete env.GITHUB_COM_TOKEN;
diff --git a/test/config/__snapshots__/env.spec.js.snap b/test/config/__snapshots__/env.spec.js.snap
index d25dd537d76060570ef40788efa349441459d80b..ac948687ec5a0924cbe4a1609efda12bd85344ed 100644
--- a/test/config/__snapshots__/env.spec.js.snap
+++ b/test/config/__snapshots__/env.spec.js.snap
@@ -37,17 +37,17 @@ exports[`config/env .getConfig(env) supports GitHub custom endpoint and github.c
 Object {
   "endpoint": "a ghe endpoint",
   "endpoints": Array [
-    Object {
-      "endpoint": "https://api.github.com/",
-      "platform": "github",
-      "token": "a github.com token",
-    },
     Object {
       "default": true,
       "endpoint": "a ghe endpoint",
       "platform": "github",
       "token": "a ghe token",
     },
+    Object {
+      "endpoint": "https://api.github.com/",
+      "platform": "github",
+      "token": "a github.com token",
+    },
   ],
 }
 `;
@@ -56,17 +56,17 @@ exports[`config/env .getConfig(env) supports GitHub custom endpoint and github.c
 Object {
   "endpoint": "a ghe endpoint",
   "endpoints": Array [
-    Object {
-      "endpoint": "https://api.github.com/",
-      "platform": "github",
-      "token": "a github.com token",
-    },
     Object {
       "default": true,
       "endpoint": "a ghe endpoint",
       "platform": "github",
       "token": "a ghe token",
     },
+    Object {
+      "endpoint": "https://api.github.com/",
+      "platform": "github",
+      "token": "a github.com token",
+    },
     Object {
       "endpoint": undefined,
       "platform": "gitlab",