diff --git a/.drone.yml b/.drone.yml
deleted file mode 100644
index 7d4d6317270968bd853fc5bff381f4d7fa90b986..0000000000000000000000000000000000000000
--- a/.drone.yml
+++ /dev/null
@@ -1,17 +0,0 @@
----
-kind: pipeline
-name: compliance
-trigger:
-  event:
-    - pull_request
-steps:
-  - name: build
-    pull: always
-    image: golang:1.16
-    commands:
-      - make test
-  - name: check
-    pull: always
-    image: golang:1.16
-    commands:
-      - make vet
\ No newline at end of file
diff --git a/README.md b/README.md
index 4f0db5a95038aa5b8f58cec3b0c80bce1bcccf0a..2f32c46f2b5a669669b08efc6e6a4d84fbcad2a6 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,4 @@
 # Overlay
-
-[![Build Status](https://ci.jojodev.com/api/badges/jolheiser/overlay/status.svg?ref=refs/heads/main)](https://ci.jojodev.com/jolheiser/overlay)
-
 Overlay File System
 
 Overlay is an easy way to implement a file system in such a way that
diff --git a/overlay.go b/overlay.go
index 512bf1c77ece17e9cc8deba0777e8c8ea60d8e10..8dab55d4f2bfc65b08fb7b47be9f2b02bffbca84 100644
--- a/overlay.go
+++ b/overlay.go
@@ -6,10 +6,6 @@ 	"os"
 	"path"
 )
 
-// Interface guard
-// fs.ReadFileFS also fulfills fs.FS
-var _ fs.ReadFileFS = (*FS)(nil)
-
 // FS is an overlay File System
 type FS struct {
 	fs      fs.FS
@@ -44,15 +40,6 @@ 	return f.fs.Open(name)
 }
 
 import (
-	"os"
-func (f *FS) ReadFile(name string) ([]byte, error) {
-	if f.exists(name) {
-		return os.ReadFile(f.apn(name))
-	}
-	return fs.ReadFile(f.fs, name)
-}
-
-import (
 // fs.ReadFileFS also fulfills fs.FS
 // This method will prefer EMBEDDED, because that is the "real" FS for overlay
 func (f *FS) ReadDir(name string) ([]fs.DirEntry, error) {
@@ -78,15 +65,6 @@ 		}
 	}
 
 	return x, nil
-}
-
-// MustNew returns New and panics on error
-func MustNew(root string, fs fs.FS, opts ...Option) *FS {
-	f, err := New(root, fs, opts...)
-	if err != nil {
-		panic(err)
-	}
-	return f
 }
 
 // WithSub sets a fs.Sub for an FS
diff --git a/overlay_test.go b/overlay_test.go
index 80ce9189c6af47c7ba0ebf5414a700ecc83bacc6..07ec8d203d4ec7feb418e99987c7f6938d9820e8 100644
--- a/overlay_test.go
+++ b/overlay_test.go
@@ -2,6 +2,7 @@ package overlay
 
 import (
 	"embed"
+	"io"
 	"io/fs"
 	"os"
 	"strings"
@@ -48,7 +49,7 @@ 				t.FailNow()
 			}
 			defer fi.Close()
 
-			contents, err := x.ReadFile(tc.File)
+			contents, err := io.ReadAll(fi)
 			if err != nil {
 				t.Log(err)
 				t.FailNow()