1 files changed, 0 insertions, 53 deletions
diff --git a/src/pkg/os/error_plan9.go b/src/pkg/os/error_plan9.go
deleted file mode 100644
index 85260c82a..000000000
--- a/src/pkg/os/error_plan9.go
+++ /dev/null
@@ -1,53 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package os
-
-func isExist(err error) bool {
-	switch pe := err.(type) {
-	case nil:
-		return false
-	case *PathError:
-		err = pe.Err
-	case *LinkError:
-		err = pe.Err
-	}
-	return contains(err.Error(), " exists")
-}
-
-func isNotExist(err error) bool {
-	switch pe := err.(type) {
-	case nil:
-		return false
-	case *PathError:
-		err = pe.Err
-	case *LinkError:
-		err = pe.Err
-	}
-	return contains(err.Error(), "does not exist")
-}
-
-func isPermission(err error) bool {
-	switch pe := err.(type) {
-	case nil:
-		return false
-	case *PathError:
-		err = pe.Err
-	case *LinkError:
-		err = pe.Err
-	}
-	return contains(err.Error(), "permission denied")
-}
-
-// contains is a local version of strings.Contains. It knows len(sep) > 1.
-func contains(s, sep string) bool {
-	n := len(sep)
-	c := sep[0]
-	for i := 0; i+n <= len(s); i++ {
-		if s[i] == c && s[i:i+n] == sep {
-			return true
-		}
-	}
-	return false
-}