diff --git a/lib/config/env.js b/lib/config/env.js
index be3f281feddadc439ae9e8906f7d2c99f5380613..31fcc42e484ce95f54838ffbb522ff07c445132e 100644
--- a/lib/config/env.js
+++ b/lib/config/env.js
@@ -104,13 +104,13 @@ function getConfig(env) {
     config.endpoint = env.GITHUB_ENDPOINT;
   }
 
-  delete process.env.GITHUB_TOKEN;
-  delete process.env.GITHUB_ENDPOINT;
-  delete process.env.GITHUB_COM_TOKEN;
-  delete process.env.GITLAB_TOKEN;
-  delete process.env.GITLAB_ENDPOINT;
-  delete process.env.VSTS_TOKEN;
-  delete process.env.VSTS_ENDPOINT;
+  delete env.GITHUB_TOKEN;
+  delete env.GITHUB_ENDPOINT;
+  delete env.GITHUB_COM_TOKEN;
+  delete env.GITLAB_TOKEN;
+  delete env.GITLAB_ENDPOINT;
+  delete env.VSTS_TOKEN;
+  delete env.VSTS_ENDPOINT;
 
   return config;
 }