diff --git a/filesystem.go b/filesystem.go
index 447b7ef..cec9633 100644
--- a/filesystem.go
+++ b/filesystem.go
@@ -16,13 +16,12 @@ const writeFlag = os.O_RDWR | os.O_CREATE | os.O_TRUNC
 
 // WriteOnlyOnceFileSystem is a file write only wrapper for a webdav.FileSystem
 type WriteOnlyOnceFileSystem struct {
-	Filters []Filter
-	fs      webdav.FileSystem
+	fs webdav.FileSystem
 }
 
 // NewWriteOnlyOnceFileSystem returns a new WriteOnlyOnceFileSystem wrapping a webdav.FileSystem
 func NewWriteOnlyOnceFileSystem(fs webdav.FileSystem) *WriteOnlyOnceFileSystem {
-	return &WriteOnlyOnceFileSystem{fs: fs}
+	return &WriteOnlyOnceFileSystem{fs}
 }
 
 // Mkdir is not permitted
@@ -39,12 +38,6 @@ func (fs *WriteOnlyOnceFileSystem) OpenFile(ctx context.Context, name string, fl
 			return nil, ErrWonly
 		}
 	}
-	for _, filter := range fs.Filters {
-		err = filter.Filter(name)
-		if err != nil {
-			return nil, err
-		}
-	}
 	f, err := fs.fs.OpenFile(ctx, name, flag, perm)
 	if err != nil {
 		return nil, err
@@ -52,15 +45,8 @@ func (fs *WriteOnlyOnceFileSystem) OpenFile(ctx context.Context, name string, fl
 	return &File{f}, nil
 }
 
-// RemoveAll only permits deleting empty files
+// RemoveAll is not permitted
 func (fs *WriteOnlyOnceFileSystem) RemoveAll(ctx context.Context, name string) error {
-	fi, err := fs.fs.Stat(ctx, name)
-	if err != nil {
-		return err
-	}
-	if fi.Mode().IsRegular() && fi.Size() == 0 {
-		return fs.fs.RemoveAll(ctx, name)
-	}
 	return ErrWonly
 }
 
diff --git a/filter.go b/filter.go
deleted file mode 100644
index 8b039a6..0000000
--- a/filter.go
+++ /dev/null
@@ -1,50 +0,0 @@
-// Copyright (C) 2019 Marius Schellenberger
-
-package authdav
-
-import (
-	"errors"
-	"path/filepath"
-	"strings"
-)
-
-// Matcher is the matcher function type
-type Matcher func(path string) bool
-
-// Filter defines an interface to filter paths or files
-type Filter interface {
-	Filter(path string) error
-}
-
-// ErrMacOSFilter error returned by the MacOSFilter
-var ErrMacOSFilter = errors.New("authdav: MacOS filter: access denied")
-
-// MacOSFilter implements a filter for MacOS specific files
-type MacOSFilter struct {
-	match []Matcher
-}
-
-// NewMacOSFilter returns a new MacOSFilter
-func NewMacOSFilter() *MacOSFilter {
-	return &MacOSFilter{
-		match: []Matcher{
-			func(p string) bool {
-				return p == ".DS_Store"
-			},
-			func(p string) bool {
-				return strings.HasPrefix(p, "._")
-			},
-		},
-	}
-}
-
-// Filter implements the Filter interface
-func (f *MacOSFilter) Filter(path string) error {
-	_, file := filepath.Split(path)
-	for _, m := range f.match {
-		if m(file) {
-			return ErrMacOSFilter
-		}
-	}
-	return nil
-}
diff --git a/go.mod b/go.mod
index 02cb02c..ac73fd3 100644
--- a/go.mod
+++ b/go.mod
@@ -1,5 +1 @@
 module git.giftfish.de/ston1th/authdav
-
-go 1.12
-
-require golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297
diff --git a/go.sum b/go.sum
deleted file mode 100644
index dc1e52d..0000000
--- a/go.sum
+++ /dev/null
@@ -1,5 +0,0 @@
-golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297 h1:k7pJ2yAPLPgbskkFdhRCsA77k2fySZ1zf2zCjvQCiIM=
-golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=