diff --git a/libcontainer/compat_1.5_linux.go b/libcontainer/compat_1.5_linux.go
deleted file mode 100644
index c7bdf1f60..000000000
--- a/libcontainer/compat_1.5_linux.go
+++ /dev/null
@@ -1,10 +0,0 @@
-// +build linux,!go1.5
-
-package libcontainer
-
-import "syscall"
-
-// GidMappingsEnableSetgroups was added in Go 1.5, so do nothing when building
-// with earlier versions
-func enableSetgroups(sys *syscall.SysProcAttr) {
-}
diff --git a/libcontainer/setgroups_linux.go b/libcontainer/setgroups_linux.go
deleted file mode 100644
index c7bdb605a..000000000
--- a/libcontainer/setgroups_linux.go
+++ /dev/null
@@ -1,11 +0,0 @@
-// +build linux,go1.5
-
-package libcontainer
-
-import "syscall"
-
-// Set the GidMappingsEnableSetgroups member to true, so the process's
-// setgroups proc entry wont be set to 'deny' if GidMappings are set
-func enableSetgroups(sys *syscall.SysProcAttr) {
-	sys.GidMappingsEnableSetgroups = true
-}