From d867c185350aec24419a4899254ed1f49085cd3b Mon Sep 17 00:00:00 2001
From: Scott Lahteine <sourcetree@thinkyhead.com>
Date: Sun, 5 Apr 2015 03:44:47 -0700
Subject: [PATCH] Fix compile error with Z_DUAL_ENDSTOPS

---
 Marlin/pins_RAMPS_13.h |  4 ++++
 Marlin/stepper.cpp     | 10 +++++-----
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/Marlin/pins_RAMPS_13.h b/Marlin/pins_RAMPS_13.h
index 2708117d0..af1d2d3bb 100644
--- a/Marlin/pins_RAMPS_13.h
+++ b/Marlin/pins_RAMPS_13.h
@@ -40,6 +40,10 @@
 #define Y2_DIR_PIN         34
 #define Y2_ENABLE_PIN      30
 
+#undef Z2_STEP_PIN
+#undef Z2_DIR_PIN
+#undef Z2_ENABLE_PIN
+
 #define Z2_STEP_PIN        36
 #define Z2_DIR_PIN         34
 #define Z2_ENABLE_PIN      30
diff --git a/Marlin/stepper.cpp b/Marlin/stepper.cpp
index ba4a4e967..c53d7c0c9 100644
--- a/Marlin/stepper.cpp
+++ b/Marlin/stepper.cpp
@@ -105,16 +105,16 @@ static volatile bool endstop_z_probe_hit = false; // Leaving this in even if Z_P
   static bool old_z_max_endstop = false;
 #endif
 #ifdef Z_DUAL_ENDSTOPS
-  #if HAS_Z2_MIN
+  // #if HAS_Z2_MIN
     static bool old_z2_min_endstop = false;
-  #endif
-  #if HAS_Z2_MAX
+  // #endif
+  // #if HAS_Z2_MAX
     static bool old_z2_max_endstop = false;
-  #endif
+  // #endif
 #endif
 
 #ifdef Z_PROBE_ENDSTOP // No need to check for valid pin, SanityCheck.h already does this.
-static bool old_z_probe_endstop = false;
+  static bool old_z_probe_endstop = false;
 #endif
 
 static bool check_endstops = true;