diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index 2743b5da..bcf0867a 100755
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -99,19 +99,6 @@
 #endif
 
 
-/*
- * Here you can set the default preheat-Temperatures
- * which are set when you use the builtin preheat
- * functions in the TFT.
- *
- * These settings are required and not set by PlatformIO.
- */
-#define KNUTWURST_PRHEAT_NOZZLE_PLA 200
-#define KNUTWURST_PRHEAT_BED_PLA     60
-#define KNUTWURST_PRHEAT_NOZZLE_ABS 240
-#define KNUTWURST_PRHEAT_BED_ABS     90
-
-
 // ===========================================================================
 // ============================= Getting Started =============================
 // ===========================================================================
diff --git a/Marlin/src/inc/Version.h b/Marlin/src/inc/Version.h
index bb124078..f01fd866 100755
--- a/Marlin/src/inc/Version.h
+++ b/Marlin/src/inc/Version.h
@@ -41,10 +41,10 @@
  * here we define this default string as the date where the latest release
  * version was tagged.
  */
- #define CUSTOM_BUILD_VERSION "1.5.0"
+ #define CUSTOM_BUILD_VERSION "1.5.1"
 
 #ifndef STRING_DISTRIBUTION_DATE
-  #define STRING_DISTRIBUTION_DATE "2023-06-07"
+  #define STRING_DISTRIBUTION_DATE "2023-06-08"
 #endif
 
 /**
diff --git a/Marlin/src/lcd/extui/knutwurst/anycubic_touchscreen.cpp b/Marlin/src/lcd/extui/knutwurst/anycubic_touchscreen.cpp
index e0642843..327a04dd 100755
--- a/Marlin/src/lcd/extui/knutwurst/anycubic_touchscreen.cpp
+++ b/Marlin/src/lcd/extui/knutwurst/anycubic_touchscreen.cpp
@@ -32,7 +32,7 @@
 #include "../../../module/motion.h"
 #include "../../../module/stepper.h"
 
-//#define ANYCUBIC_TFT_DEBUG
+#define ANYCUBIC_TFT_DEBUG
 //#define KNUTWURST_DGUS2_TFT
 //#define KNUTWURST_TFT_LEVELING
 
@@ -525,13 +525,13 @@
                  || (strcasestr_P(currentTouchscreenSelection, PSTR(SM_BLTZ_UP_S)) != NULL)
                  ) {
           SERIAL_ECHOLNPGM("Special Menu: Offset UP");
-          probe.offset.z += 0.01F;
+          setZOffset_mm(getZOffset_mm() + 0.01F);
         }
         else if ((strcasestr_P(currentTouchscreenSelection, PSTR(SM_BLTZ_DN_L)) != NULL)
                  || (strcasestr_P(currentTouchscreenSelection, PSTR(SM_BLTZ_DN_S)) != NULL)
                  ) {
           SERIAL_ECHOLNPGM("Special Menu: Offset Down");
-          probe.offset.z -= 0.01F;
+          setZOffset_mm(getZOffset_mm() - 0.01F);
         }
         else if ((strcasestr_P(currentTouchscreenSelection, PSTR(SM_HS_ENABLE_L)) != NULL)
                  || (strcasestr_P(currentTouchscreenSelection, PSTR(SM_HS_ENABLE_S)) != NULL)
@@ -736,11 +736,11 @@ void AnycubicTouchscreenClass::RenderSpecialMenu(uint16_t selectedNumber) {
         zOffsetBuffer = SM_BLTZ_DISP_L;
 
         #ifdef ANYCUBIC_TFT_DEBUG
-          SERIAL_ECHOPGM("TFT Serial Debug: Current probe.offset.z: ", float(probe.offset.z));
+          SERIAL_ECHOPGM("TFT Serial Debug: Current getZOffset_mm(): ", getZOffset_mm());
           SERIAL_EOL();
         #endif
 
-        zOffsetBuffer.replace("XXXXX", String(float(probe.offset.z)));
+        zOffsetBuffer.replace("XXXXX", String(getZOffset_mm()));
 
         switch (selectedNumber) {
           case 0: // Page 1
@@ -878,11 +878,22 @@ void AnycubicTouchscreenClass::RenderCurrentFolder(uint16_t selectedNumber) {
   } else {
     max_files = selectedNumber + 3;
     #ifdef ANYCUBIC_TFT_DEBUG
-      SERIAL_ECHOLN("max_files = filenumber + 3;");
+      SERIAL_ECHOLN("max_files = selectedNumber + 3;");
     #endif
   }
 
-  if (filesOnSDCard == 3) filenumber = 0;
+  if (filesOnSDCard == 3) selectedNumber = 0;
+
+  #ifdef ANYCUBIC_TFT_DEBUG
+    SERIAL_ECHOPGM("filesOnSDCard: ");
+    SERIAL_ECHOLN(filesOnSDCard);
+    SERIAL_ECHOPGM("selectedNumber: ");
+    SERIAL_ECHOLN(selectedNumber);
+    SERIAL_ECHOPGM("max_files: ");
+    SERIAL_ECHOLN(max_files);
+    SERIAL_ECHOPGM("count: ");
+    SERIAL_ECHOLN(count);
+  #endif
 
   for (count = selectedNumber; count <= max_files; count++) {
     if (count == 0) { // Special Entry
@@ -911,7 +922,6 @@ void AnycubicTouchscreenClass::RenderCurrentFolder(uint16_t selectedNumber) {
         SERIAL_ECHOLN(currentFileList.filename());
       #endif
 
-      // The longname may not be filed, so we use the built-in fallback here.
       char* fileName  = strdup(currentFileList.filename());
       int fileNameLen = strlen(fileName);
 
diff --git a/Marlin/src/lcd/extui/knutwurst/anycubic_touchscreen.h b/Marlin/src/lcd/extui/knutwurst/anycubic_touchscreen.h
index 58ffbf7f..5f8cdefa 100755
--- a/Marlin/src/lcd/extui/knutwurst/anycubic_touchscreen.h
+++ b/Marlin/src/lcd/extui/knutwurst/anycubic_touchscreen.h
@@ -226,7 +226,6 @@ char serial3_char;
 int serial3_count = 0;
 char *TFTstrchr_pointer;
 char FlagResumFromOutage  = 0;
-int filenumber            = 0;
 uint8_t tmp_extruder      = 0;
 uint16_t HeaterCheckCount = 0;
 int currentFlowRate       = 0;