diff --git a/configs/example/gem5_library/arm-ubuntu-boot-exit.py b/configs/example/gem5_library/arm-ubuntu-boot-exit.py
index bc8d3d5ec7..798fae44cc 100644
--- a/configs/example/gem5_library/arm-ubuntu-boot-exit.py
+++ b/configs/example/gem5_library/arm-ubuntu-boot-exit.py
@@ -80,15 +80,9 @@ processor = SimpleProcessor(cpu_type=CPUTypes.TIMING, num_cores=2)
 
 # The ArmBoard requires a `release` to be specified. This adds all the
 # extensions or features to the system. We are setting this to Armv8
-# (ArmDefaultRelease) in this example config script. However, the ArmBoard
-# currently does not support SECURITY extension.
-
+# (ArmDefaultRelease) in this example config script.
 release = ArmDefaultRelease()
 
-# Removing the SECURITY extension.
-
-release.extensions.remove(release.extensions[2])
-
 # The platform sets up the memory ranges of all the on-chip and off-chip
 # devices present on the ARM system.