diff --git a/cmd/podman/ps.go b/cmd/podman/ps.go
index 759a03b86b..01aa5312e7 100644
--- a/cmd/podman/ps.go
+++ b/cmd/podman/ps.go
@@ -205,10 +205,6 @@ func psCmd(c *cliconfig.PsValues) error {
 		span, _ := opentracing.StartSpanFromContext(Ctx, "psCmd")
 		defer span.Finish()
 	}
-	// TODO disable when single rootless userns merges
-	if c.Bool("size") && os.Geteuid() != 0 {
-		return errors.New("the --size option is not presently supported without root")
-	}
 
 	var watch bool