diff --git a/src/common/utils/utils_test.go b/src/common/utils/utils_test.go
index 05f041cfc..782355de2 100644
--- a/src/common/utils/utils_test.go
+++ b/src/common/utils/utils_test.go
@@ -190,7 +190,7 @@ func TestParseLink(t *testing.T) {
 func TestTestTCPConn(t *testing.T) {
 	server := httptest.NewServer(nil)
 	defer server.Close()
-	addr := strings.TrimLeft(server.URL, "http://")
+	addr := strings.TrimPrefix(server.URL, "http://")
 	if err := TestTCPConn(addr, 60, 2); err != nil {
 		t.Fatalf("failed to test tcp connection of %s: %v", addr, err)
 	}
diff --git a/src/ui/projectmanager/pms/pm.go b/src/ui/projectmanager/pms/pm.go
index 1d4da95e5..e583b40a9 100644
--- a/src/ui/projectmanager/pms/pm.go
+++ b/src/ui/projectmanager/pms/pm.go
@@ -139,7 +139,7 @@ func parse(b []byte) ([]*project, error) {
 
 	projects := []*project{}
 	for link, project := range documents.Projects {
-		project.ID = strings.TrimLeft(link, "/projects/")
+		project.ID = strings.TrimPrefix(link, "/projects/")
 		projects = append(projects, project)
 	}