diff --git a/plugin/impl.go b/plugin/impl.go
index 977af8f..21d97bb 100644
--- a/plugin/impl.go
+++ b/plugin/impl.go
@@ -10,6 +10,7 @@ import (
 
 	"github.com/google/go-github/v59/github"
 	"github.com/rs/zerolog/log"
+	"github.com/thegeeklab/wp-plugin-go/file"
 	"golang.org/x/oauth2"
 )
 
@@ -38,7 +39,7 @@ func (p *Plugin) Validate() error {
 	}
 
 	if p.Settings.Message != "" {
-		if p.Settings.Message, p.Settings.IsFile, err = readStringOrFile(p.Settings.Message); err != nil {
+		if p.Settings.Message, p.Settings.IsFile, err = file.ReadStringOrFile(p.Settings.Message); err != nil {
 			return fmt.Errorf("error while reading %s: %w", p.Settings.Message, err)
 		}
 	}
@@ -58,7 +59,7 @@ func (p *Plugin) Validate() error {
 		p.Settings.Key = fmt.Sprintf("%x", hash)
 	}
 
-	if p.Settings.Key, _, err = readStringOrFile(p.Settings.Key); err != nil {
+	if p.Settings.Key, _, err = file.ReadStringOrFile(p.Settings.Key); err != nil {
 		return fmt.Errorf("error while reading %s: %w", p.Settings.Key, err)
 	}
 
diff --git a/plugin/utils.go b/plugin/utils.go
deleted file mode 100644
index 080e86e..0000000
--- a/plugin/utils.go
+++ /dev/null
@@ -1,27 +0,0 @@
-package plugin
-
-import (
-	"os"
-)
-
-func readStringOrFile(input string) (string, bool, error) {
-	//nolint:gomnd
-	if len(input) > 255 {
-		return input, false, nil
-	}
-
-	// Check if input is a file path
-	if _, err := os.Stat(input); err != nil && os.IsNotExist(err) {
-		// No file found => use input as result
-		return input, false, nil
-	} else if err != nil {
-		return "", false, err
-	}
-
-	result, err := os.ReadFile(input)
-	if err != nil {
-		return "", true, err
-	}
-
-	return string(result), true, nil
-}