diff --git a/.github/workflows/dockerimage.yml b/.github/workflows/dockerimage.yml
deleted file mode 100644
index a924ec71..00000000
--- a/.github/workflows/dockerimage.yml
+++ /dev/null
@@ -1,14 +0,0 @@
-name: Docker Image CI
-
-on: [push]
-
-jobs:
-
-  build:
-
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v1
-    - name: Build the Docker image
-      run: docker build . --file Dockerfile --tag reviewdog-golangci-lint:$(date +%s)
diff --git a/testdata/main.go b/testdata/main.go
index a593e4a4..8a2d5b0f 100644
--- a/testdata/main.go
+++ b/testdata/main.go
@@ -1,14 +1,14 @@
 package testdata
 
 import (
-	"os"
 	"fmt"
+	"os"
 )
 
-func Main(    ) {
+func Main() {
 	// langauge
 
-	x    := 1
+	x := 1
 	x += 1
 	fmt.Sprintf("%d")
 
@@ -19,4 +19,7 @@ func unused(unusedParam int) error {
 
 	return nil
 
+	x := 1
+	x += 1
+	return nil
 }
diff --git a/testdata/newfile.go b/testdata/newfile.go
new file mode 100644
index 00000000..6403da45
--- /dev/null
+++ b/testdata/newfile.go
@@ -0,0 +1,11 @@
+package testdata
+
+import "fmt"
+
+func unusedFunc() {
+
+	fmt.Sprintf("haya%dbusa", 14, 15)
+
+}
+
+var X = 14