diff --git a/ports_module/cortex_m4/gnu/example_build/tx_simulator_startup.s b/ports_module/cortex_m4/gnu/example_build/tx_simulator_startup.s
deleted file mode 100644
index 73692924..00000000
--- a/ports_module/cortex_m4/gnu/example_build/tx_simulator_startup.s
+++ /dev/null
@@ -1,73 +0,0 @@
-
-  .syntax unified
-  .section .vectors, "ax"
-  .code 16
-  .align 0
-  .global _vectors
-
-_vectors:
-  .word __stack_end__ 
-  .word reset_handler 
-  .word __tx_NMIHandler 
-  .word __tx_HardfaultHandler
-  .word MemManage_Handler
-  .word BusFault_Handler
-  .word UsageFault_Handler
-  .word 0 // Reserved
-  .word 0 // Reserved
-  .word 0 // Reserved
-  .word 0 // Reserved
-  .word __tx_SVCallHandler //_SVC_Handler - used by Threadx scheduler //
-  .word __tx_DBGHandler
-  .word 0 // Reserved
-  .word __tx_PendSVHandler 
-  .word __tx_SysTickHandler   // Used by Threadx timer functionality
-  .word __tx_BadHandler       // Populate with user Interrupt handler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-  .word __tx_BadHandler
-
-
-
-    .section .init, "ax"
-    .global reset_handler
-    .thumb_func
-reset_handler:
-
-// low level hardware config, such as PLL setup goes here
-
-  b _start
-
-
-