diff --git a/system/unsupported.go b/system/unsupported.go
index 96ebc85..aea4b69 100644
--- a/system/unsupported.go
+++ b/system/unsupported.go
@@ -28,3 +28,11 @@ func GetClockTicks() int {
 func CreateMasterAndConsole() (*os.File, string, error) {
 	return nil, "", ErrNotSupportedPlatform
 }
+
+func SetKeepCaps() error {
+	return ErrNotSupportedPlatform
+}
+
+func ClearKeepCaps() error {
+	return ErrNotSupportedPlatform
+}