diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index 815d481244..cf969805da 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -478,7 +478,7 @@ func MakeAccountManager(ctx *cli.Context) *accounts.Manager {
 }
 
 func IpcSocketPath(ctx *cli.Context) (ipcpath string) {
-	if common.IsWindows() {
+	if runtime.GOOS == "windows" {
 		ipcpath = common.DefaultIpcPath()
 		if ctx.GlobalIsSet(IPCPathFlag.Name) {
 			ipcpath = ctx.GlobalString(IPCPathFlag.Name)
diff --git a/common/path.go b/common/path.go
index 0d7adb9617..8b3c7d14b8 100644
--- a/common/path.go
+++ b/common/path.go
@@ -116,14 +116,3 @@ func DefaultIpcPath() string {
 	}
 	return filepath.Join(DefaultDataDir(), "geth.ipc")
 }
-
-func IsWindows() bool {
-	return runtime.GOOS == "windows"
-}
-
-func WindonizePath(path string) string {
-	if string(path[0]) == "/" && IsWindows() {
-		path = path[1:]
-	}
-	return path
-}
diff --git a/common/path_test.go b/common/path_test.go
deleted file mode 100644
index 71ffd5fe1e..0000000000
--- a/common/path_test.go
+++ /dev/null
@@ -1,52 +0,0 @@
-// Copyright 2014 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package common
-
-import (
-	"os"
-	// "testing"
-
-	checker "gopkg.in/check.v1"
-)
-
-type CommonSuite struct{}
-
-var _ = checker.Suite(&CommonSuite{})
-
-func (s *CommonSuite) TestOS(c *checker.C) {
-	expwin := (os.PathSeparator == '\\' && os.PathListSeparator == ';')
-	res := IsWindows()
-
-	if !expwin {
-		c.Assert(res, checker.Equals, expwin, checker.Commentf("IsWindows is", res, "but path is", os.PathSeparator))
-	} else {
-		c.Assert(res, checker.Not(checker.Equals), expwin, checker.Commentf("IsWindows is", res, "but path is", os.PathSeparator))
-	}
-}
-
-func (s *CommonSuite) TestWindonziePath(c *checker.C) {
-	iswindowspath := os.PathSeparator == '\\'
-	path := "/opt/eth/test/file.ext"
-	res := WindonizePath(path)
-	ressep := string(res[0])
-
-	if !iswindowspath {
-		c.Assert(ressep, checker.Equals, "/")
-	} else {
-		c.Assert(ressep, checker.Not(checker.Equals), "/")
-	}
-}
diff --git a/common/size_test.go b/common/size_test.go
index 8709a02374..ce19cab69f 100644
--- a/common/size_test.go
+++ b/common/size_test.go
@@ -40,7 +40,7 @@ func (s *SizeSuite) TestStorageSizeString(c *checker.C) {
 	c.Assert(StorageSize(data3).String(), checker.Equals, exp3)
 }
 
-func (s *CommonSuite) TestCommon(c *checker.C) {
+func (s *SizeSuite) TestCommon(c *checker.C) {
 	ether := CurrencyToString(BigPow(10, 19))
 	finney := CurrencyToString(BigPow(10, 16))
 	szabo := CurrencyToString(BigPow(10, 13))