diff --git a/src/cmd/go/internal/envcmd/env.go b/src/cmd/go/internal/envcmd/env.go
index b25010a29a..c4836b2f95 100644
--- a/src/cmd/go/internal/envcmd/env.go
+++ b/src/cmd/go/internal/envcmd/env.go
@@ -132,7 +132,6 @@ func MkEnv() []cfg.EnvVar {
 				env[i].Changed = true
 			}
 		case "GODEBUG":
-			env[i].Value = os.Getenv("GODEBUG")
 			env[i].Changed = env[i].Value != ""
 		}
 	}