diff --git a/arch/arm/core/cortex_m/thread.c b/arch/arm/core/cortex_m/thread.c
index 4db35da8c57..733b4b8637f 100644
--- a/arch/arm/core/cortex_m/thread.c
+++ b/arch/arm/core/cortex_m/thread.c
@@ -455,6 +455,8 @@ int arch_float_disable(struct k_thread *thread)
 
 int arch_float_enable(struct k_thread *thread, unsigned int options)
 {
+	ARG_UNUSED(thread);
+	ARG_UNUSED(options);
 	/* This is not supported in Cortex-M */
 	return -ENOTSUP;
 }