diff --git a/hw/application_fpga/fw/tk1/main.c b/hw/application_fpga/fw/tk1/main.c
index 302a0cc..a457d20 100644
--- a/hw/application_fpga/fw/tk1/main.c
+++ b/hw/application_fpga/fw/tk1/main.c
@@ -43,8 +43,6 @@ static volatile struct reset  *resetinfo        = (volatile struct reset  *)TK1_
 
 struct partition_table_storage part_table_storage;
 
-#define APP_SIZE_SLOT0 34644
-
 // Context for the loading of a TKey program
 struct context {
 	uint32_t left;	    // Bytes left to receive