diff --git a/include/lib/extensions/sve.h b/include/lib/extensions/sve.h
index 4b66cdb..1faed2d 100644
--- a/include/lib/extensions/sve.h
+++ b/include/lib/extensions/sve.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2021, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2023, Arm Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -9,7 +9,16 @@
 
 #include <context.h>
 
+#if (ENABLE_SME_FOR_NS || ENABLE_SVE_FOR_NS)
 void sve_enable(cpu_context_t *context);
 void sve_disable(cpu_context_t *context);
+#else
+static inline void sve_enable(cpu_context_t *context)
+{
+}
+static inline void sve_disable(cpu_context_t *context)
+{
+}
+#endif /* ( ENABLE_SME_FOR_NS | ENABLE_SVE_FOR_NS ) */
 
 #endif /* SVE_H */