diff --git a/arch/arm/src/armv8-r/arm_fpuconfig.S b/arch/arm/src/armv8-r/arm_fpuconfig.S
index 2986655fd67..0d2c8583a1c 100644
--- a/arch/arm/src/armv8-r/arm_fpuconfig.S
+++ b/arch/arm/src/armv8-r/arm_fpuconfig.S
@@ -50,7 +50,9 @@
  ****************************************************************************/
 
 	.text
+#ifndef __ghs__
 	.syntax	unified
+#endif
 	.arm
 
 /****************************************************************************
diff --git a/arch/arm/src/armv8-r/arm_head.S b/arch/arm/src/armv8-r/arm_head.S
index 36a5e0a7fba..57d3d5bbcc2 100644
--- a/arch/arm/src/armv8-r/arm_head.S
+++ b/arch/arm/src/armv8-r/arm_head.S
@@ -129,7 +129,9 @@
  */
 
 	.text
+#ifndef __ghs__
 	.syntax	unified
+#endif
 	.arm
 	.global	__start
 #ifdef __ghs__
diff --git a/arch/arm/src/armv8-r/arm_saveusercontext.S b/arch/arm/src/armv8-r/arm_saveusercontext.S
index b95f5858c65..6854d79397f 100644
--- a/arch/arm/src/armv8-r/arm_saveusercontext.S
+++ b/arch/arm/src/armv8-r/arm_saveusercontext.S
@@ -30,7 +30,9 @@
 	.file	"arm_saveusercontext.S"
 
 	.text
+#ifndef __ghs__
 	.syntax	unified
+#endif
 	.arm
 
 /****************************************************************************
diff --git a/arch/arm/src/armv8-r/arm_vectors.S b/arch/arm/src/armv8-r/arm_vectors.S
index f9cf7f94fbe..db98d8bedec 100644
--- a/arch/arm/src/armv8-r/arm_vectors.S
+++ b/arch/arm/src/armv8-r/arm_vectors.S
@@ -137,7 +137,9 @@
  ****************************************************************************/
 
 	.text
+#ifndef __ghs__
 	.syntax	unified
+#endif
 	.arm
 
 /****************************************************************************
diff --git a/arch/arm/src/armv8-r/arm_vectortab.S b/arch/arm/src/armv8-r/arm_vectortab.S
index 5ea4de18c1a..90d424041f8 100644
--- a/arch/arm/src/armv8-r/arm_vectortab.S
+++ b/arch/arm/src/armv8-r/arm_vectortab.S
@@ -40,7 +40,9 @@
 	.eabi_attribute Tag_ABI_align_preserved, 1
 #endif
 
+#ifndef __ghs__
 	.syntax	unified
+#endif
 	.arm
 
 	.globl		_sys_vector_start
diff --git a/arch/arm/src/common/gnu/arm_fetchadd.S b/arch/arm/src/common/gnu/arm_fetchadd.S
index 79eb592594f..7435bb501ed 100644
--- a/arch/arm/src/common/gnu/arm_fetchadd.S
+++ b/arch/arm/src/common/gnu/arm_fetchadd.S
@@ -26,7 +26,9 @@
 
 #include <nuttx/config.h>
 
+#ifndef __ghs__
 	.syntax		unified
+#endif
 	.file		"arm_fetchadd.S"
 
 /****************************************************************************