diff --git a/sonoff/xdrv_18_armtronixDualDimmer.ino b/sonoff/xdrv_18_armtronixDimmers.ino
similarity index 98%
rename from sonoff/xdrv_18_armtronixDualDimmer.ino
rename to sonoff/xdrv_18_armtronixDimmers.ino
index 0e440bd7e..0de7fac77 100644
--- a/sonoff/xdrv_18_armtronixDualDimmer.ino
+++ b/sonoff/xdrv_18_armtronixDimmers.ino
@@ -1,5 +1,5 @@
 /*
-  xdrv_16_armtronixdimmer.ino - Armtronix dimmer support for Sonoff-Tasmota
+  xdrv_18_armtronixdimmer.ino - Armtronix dimmers support for Sonoff-Tasmota
 
   Copyright (C) 2018  digiblur, Joel Stein and Theo Arends
 
@@ -17,8 +17,6 @@
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#define USE_ARMTRONIX_DIMMERS
-
 #ifdef USE_ARMTRONIX_DIMMERS
 
 #define XDRV_18                18
@@ -161,8 +159,6 @@ void ArmtronixSetWifiLed(){
 /*********************************************************************************************\
  * Interface
 \*********************************************************************************************/
-bool flip;
-
 boolean Xdrv18(byte function)
 {
   boolean result = false;