--- a/colornameconv.go
+++ b/colornameconv.go
@@ -5,11 +5,7 @@
 	"errors"
 	"fmt"
 	"github.com/crazy3lf/colorconv"
-	"io"
 	"math"
-	"os"
-	"path"
-	"runtime"
 	"strings"
 )
 
@@ -74,21 +70,9 @@
 }
 
 func readJson() Colors {
-	_, filename, _, ok := runtime.Caller(0)
-	if !ok {
-		panic("No caller information")
-	}
-	in, err := os.Open(path.Dir(filename) + "/colors.json")
-
-	if err != nil {
-		panic(fmt.Sprintf("Failed to read JSON file: %s", err))
-	}
-
-	byteValue, _ := io.ReadAll(in)
-
 	var colors Colors
 
-	err = json.Unmarshal(byteValue, &colors)
+	err := json.Unmarshal(colorsJSON, &colors)
 
 	if err != nil {
 		panic(fmt.Sprintf("Failed to unmarshal JSON: %s", err))