diff --git a/targets/targets.json b/targets/targets.json
index 3979868bbf..452e29db01 100644
--- a/targets/targets.json
+++ b/targets/targets.json
@@ -3195,7 +3195,7 @@
         },
         "OUTPUT_EXT": "hex",
         "post_binary_hook": {"function": "NCS36510TargetCode.ncs36510_addfib"},
-        "macros": ["CM3", "CPU_NCS36510", "TARGET_NCS36510", "LOAD_ADDRESS=0x3000", "MBED_TICKLESS"],
+        "macros": ["CM3", "CPU_NCS36510", "TARGET_NCS36510", "LOAD_ADDRESS=0x3000"],
         "supported_toolchains": ["GCC_ARM", "ARM", "IAR"],
         "device_has": ["ANALOGIN", "SERIAL", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "LOWPOWERTIMER", "TRNG", "SPISLAVE"],
         "release_versions": ["2", "5"]