diff --git a/_examples/hello-webrpc/webapp/client.gen.js b/_examples/hello-webrpc/webapp/client.gen.js
index 4fd4fa7..f4c3a69 100644
--- a/_examples/hello-webrpc/webapp/client.gen.js
+++ b/_examples/hello-webrpc/webapp/client.gen.js
@@ -1,18 +1,9 @@
-// hello-webrpc v1.0.0 949b00a8db9810c69295f9dd9f02587a65d3c497
+// hello-webrpc v1.0.0
 // --
 // Code generated by webrpc-gen@v0.37.0 with ../../ generator. DO NOT EDIT.
 //
 // webrpc-gen -schema=hello-api.ridl -target=../../ -exports=false -client -out=./webapp/client.gen.js
 
-// WebRPC description and code-gen version
-const WebRPCVersion = "v1"
-
-// Schema version of your RIDL schema
-const WebRPCSchemaVersion = "v1.0.0"
-
-// Schema hash generated from your RIDL schema
-const WebRPCSchemaHash = "949b00a8db9810c69295f9dd9f02587a65d3c497"
-
 //
 // Types
 //
diff --git a/main.go.tmpl b/main.go.tmpl
index ea313df..e9c9d3c 100644
--- a/main.go.tmpl
+++ b/main.go.tmpl
@@ -5,6 +5,7 @@
 {{- set $opts "client" (ternary (in .Opts.client "" "true") true false) -}}
 {{- set $opts "server" (ternary (in .Opts.server "" "true") true false) -}}
 {{- set $opts "exports" (ternary (in .Opts.exports "false") false true) -}}
+{{- set $opts "schemaHash" (ternary (in .Opts.schemaHash "" "true") true false) -}}
 
 {{- /* Print help on -help. */ -}}
 {{- if exists .Opts "help" -}}
@@ -52,12 +53,13 @@
 {{- set $typeMap "string" "string" -}}
 {{- set $typeMap "timestamp" "string" -}}
 
-// {{.SchemaName}} {{.SchemaVersion}} {{.SchemaHash}}
+// {{.SchemaName}} {{.SchemaVersion}}{{if $opts.schemaHash}} {{.SchemaHash}}{{end}}
 // --
 // Code generated by webrpc-gen@{{.WebrpcGenVersion}} with {{.WebrpcTarget}} generator. DO NOT EDIT.
 //
 // {{.WebrpcGenCommand}}
 
+{{- if $opts.schemaHash }}
 // WebRPC description and code-gen version
 {{if $opts.exports}}export {{end}}const WebRPCVersion = "{{.WebrpcVersion}}"
 
@@ -66,6 +68,7 @@
 
 // Schema hash generated from your RIDL schema
 {{if $opts.exports}}export {{end}}const WebRPCSchemaHash = "{{.SchemaHash}}"
+{{- end }}
 
 {{template "types" dict "Services" .Services "Types" .Types "Opts" $opts}}
 {{- if $opts.client}}