diff --git a/nrf5/device/nrf51/startup_nrf51.s b/nrf5/device/nrf51/startup_nrf51.s
index b20f3745fa..9b6d541708 100644
--- a/nrf5/device/nrf51/startup_nrf51.s
+++ b/nrf5/device/nrf51/startup_nrf51.s
@@ -27,9 +27,6 @@
   .syntax unified
   .arch armv6-m
 
-  .section .stack
-  .align 3
-
 .global __Vectors
 .global Default_Handler