diff --git a/cmd/helm/flags.go b/cmd/helm/flags.go
index 86ed53d51..246cb0dd5 100644
--- a/cmd/helm/flags.go
+++ b/cmd/helm/flags.go
@@ -99,8 +99,6 @@ func (o *outputValue) Set(s string) error {
 
 func bindPostRenderFlag(cmd *cobra.Command, varRef *postrender.PostRenderer) {
 	cmd.Flags().Var(&postRenderer{varRef}, postRenderFlag, "the path to an executable to be used for post rendering. If it exists in $PATH, the binary will be used, otherwise it will try to look for the executable at the given path")
-	// Setup shell completion for the flag
-	cmd.MarkFlagCustom(outputFlag, "__helm_output_options")
 }
 
 type postRenderer struct {