diff --git a/builtin/doc/builtin.gop b/builtin/doc/builtin.gop
index b64dec045..7177ea476 100755
--- a/builtin/doc/builtin.gop
+++ b/builtin/doc/builtin.gop
@@ -1,7 +1,6 @@
 package builtin
 
 import (
-	"gop/builtin"
 	"gop/builtin/iox"
 	"io"
 	"os"
@@ -17,7 +16,6 @@ func Blines(r io.Reader) iox.BLineReader
 // Type returns the reflection [Type] that represents the dynamic type of i.
 // If i is a nil interface value, Type returns nil.
 func Type(i any) reflect.Type
-func NewRange(start, end, step int) *builtin.IntRange
 
 // Print formats using the default formats for its operands and writes to standard output.
 // Spaces are added between operands when neither is a string.
diff --git a/cmd/chore/gopbuiltingen/builtingen.gox b/cmd/chore/gopbuiltingen/builtingen.gox
index 744f86653..f0d1b7a27 100644
--- a/cmd/chore/gopbuiltingen/builtingen.gox
+++ b/cmd/chore/gopbuiltingen/builtingen.gox
@@ -25,7 +25,6 @@ func gen() []byte {
 	f.Decls <- &ast.GenDecl{
 		Tok: token.IMPORT,
 		Specs: []ast.Spec{
-			importSpec("gop/builtin"),
 			importSpec("gop/builtin/iox"),
 			importSpec("io"),
 			importSpec("os"),
@@ -105,10 +104,12 @@ func initBuiltin(fn gopq.NodeSet) {
 	item := stmt.callExpr("scope.Insert").arg(0).cache
 	for call <- item.callExpr("gogen.NewOverloadFunc") {
 		built := call.arg(2).unquotedString!
-		ref := call.arg(3).callExpr.one
-		pkg := ref.fun.x.ident!
-		name := ref.arg(0).unquotedString!
-		Builtins <- builtin{built, {pkg, name, 0}}
+		if built != "newRange" { // hide builtin `newRange`
+			ref := call.arg(3).callExpr.one
+			pkg := ref.fun.x.ident!
+			name := ref.arg(0).unquotedString!
+			Builtins <- builtin{built, {pkg, name, 0}}
+		}
 	}
 	for call <- stmt.callExpr("initBuiltinFns") {
 		pkg := call.arg(2).ident!
diff --git a/cmd/chore/gopbuiltingen/helper.gop b/cmd/chore/gopbuiltingen/helper.gop
index 2af5450de..13bb41c0f 100644
--- a/cmd/chore/gopbuiltingen/helper.gop
+++ b/cmd/chore/gopbuiltingen/helper.gop
@@ -36,9 +36,6 @@ func toParams(params *ast.FieldList, at string) *ast.FieldList {
 	if params == nil {
 		return nil
 	}
-	if at == "buil" {
-		at = "builtin"
-	}
 	list := make([]*ast.Field, len(params.List))
 	for i, p <- params.List {
 		typ := p.Type