diff --git a/Firmware/Marlin_main.cpp b/Firmware/Marlin_main.cpp
index 32dc7106..06d38a78 100755
--- a/Firmware/Marlin_main.cpp
+++ b/Firmware/Marlin_main.cpp
@@ -1759,7 +1759,6 @@ void trace();
 #define CHUNK_SIZE 64 // bytes
 #define SAFETY_MARGIN 1
 char chunk[CHUNK_SIZE+SAFETY_MARGIN];
-int chunkHead = 0;
 
 void serial_read_stream() {