diff --git a/targets/TARGET_NXP/TARGET_LPC176X/device/TOOLCHAIN_GCC_ARM/startup_LPC17xx.S b/targets/TARGET_NXP/TARGET_LPC176X/device/TOOLCHAIN_GCC_ARM/startup_LPC17xx.S
index fffc8954ee1..cef56a64ea2 100644
--- a/targets/TARGET_NXP/TARGET_LPC176X/device/TOOLCHAIN_GCC_ARM/startup_LPC17xx.S
+++ b/targets/TARGET_NXP/TARGET_LPC176X/device/TOOLCHAIN_GCC_ARM/startup_LPC17xx.S
@@ -30,21 +30,6 @@
    aborting compilation, it is not the run time limit:
    Heap_Size + Stack_Size = 0x80 + 0x80 = 0x100
  */
-
-    .section .heap
-    .align 3
-#ifdef __HEAP_SIZE
-    .equ    Heap_Size, __HEAP_SIZE
-#else
-    .equ    Heap_Size, 0x800
-#endif
-    .globl    __HeapBase
-    .globl    __HeapLimit
-__HeapBase:
-    .space    Heap_Size
-    .size __HeapBase, . - __HeapBase
-__HeapLimit:
-    .size __HeapLimit, . - __HeapLimit
     
     .section .isr_vector
     .align 2