diff --git a/util.go b/util.go
index c5bc21a..df7df82 100644
--- a/util.go
+++ b/util.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	"bytes"
 	"os"
 	"path/filepath"
 
@@ -53,3 +54,21 @@ func RemoveFmtUnderscore(in string) (out string) {
 	}
 	return
 }
+
+func RemoveJsoncComments(data []byte) []byte {
+	var buf bytes.Buffer
+	var inLineComment bool = false
+	for i, b := range data {
+		if b == '/' && i+1 < len(data) && data[i+1] == '/' {
+			inLineComment = true
+		}
+		if b == '\n' {
+			inLineComment = false
+		}
+		if inLineComment {
+			continue
+		}
+		buf.WriteByte(b)
+	}
+	return buf.Bytes()
+}
diff --git a/util_test.go b/util_test.go
index 5e3dd57..8e0ee0b 100644
--- a/util_test.go
+++ b/util_test.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	"reflect"
 	"testing"
 )
 
@@ -27,3 +28,41 @@ func TestRemoveFmtUnderscore(t *testing.T) {
 		})
 	}
 }
+
+func TestRemoveJsoncComments(t *testing.T) {
+	type args struct {
+		data []byte
+	}
+	tests := []struct {
+		name string
+		args args
+		want []byte
+	}{
+		{"1", args{
+			[]byte(
+				`
+a//bcde//
+//c
+//
+a
+`,
+			),
+		},
+			[]byte(
+				`
+a
+
+
+a
+`,
+			),
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := RemoveJsoncComments(tt.args.data); !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("RemoveJsoncComments() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}