diff --git a/notifier/github/client.go b/notifier/github/client.go
index ef1f288..094e23d 100644
--- a/notifier/github/client.go
+++ b/notifier/github/client.go
@@ -10,9 +10,6 @@ import (
 	"golang.org/x/oauth2"
 )
 
-// EnvToken is GitHub API Token
-const EnvToken = "GITHUB_TOKEN"
-
 // EnvBaseURL is GitHub base URL. This can be set to a domain endpoint to use with GitHub Enterprise.
 const EnvBaseURL = "GITHUB_BASE_URL"
 
diff --git a/notifier/github/client_test.go b/notifier/github/client_test.go
index d59c48c..79036d3 100644
--- a/notifier/github/client_test.go
+++ b/notifier/github/client_test.go
@@ -7,12 +7,6 @@ import (
 )
 
 func TestNewClient(t *testing.T) {
-	githubToken := os.Getenv(EnvToken)
-	defer func() {
-		os.Setenv(EnvToken, githubToken)
-	}()
-	os.Setenv(EnvToken, "")
-
 	testCases := []struct {
 		config   Config
 		envToken string
@@ -77,8 +71,6 @@ func TestNewClient(t *testing.T) {
 		if strings.HasPrefix(testCase.config.Token, "$") {
 			key := strings.TrimPrefix(testCase.config.Token, "$")
 			os.Setenv(key, testCase.envToken)
-		} else {
-			os.Setenv(EnvToken, testCase.envToken)
 		}
 
 		_, err := NewClient(testCase.config)