diff --git a/kernel/arm64/strmm_direct_arm64_sme1.c b/kernel/arm64/strmm_direct_arm64_sme1.c
index de385c4b7f..f6a8505965 100644
--- a/kernel/arm64/strmm_direct_arm64_sme1.c
+++ b/kernel/arm64/strmm_direct_arm64_sme1.c
@@ -227,10 +227,10 @@ static inline void strmm_direct_alpha_sme1_2VLx2VL(uint64_t m, uint64_t k, uint6
 }
 
 #else
-void strmm_direct_sme1_preprocess(uint64_t nbr, uint64_t nbc,
-                                  const float *restrict a, float *restrict a_mod) {}
-void strmm_direct_alpha_sme1_2VLx2VL(uint64_t m, uint64_t k, uint64_t n, const float* alpha,\
-                                   const float *ba, float *restrict bb){}
+static void strmm_direct_sme1_preprocess(uint64_t nbr, uint64_t nbc,
+                                         const float *restrict a, float *restrict a_mod) {}
+static void strmm_direct_alpha_sme1_2VLx2VL(uint64_t m, uint64_t k, uint64_t n, const float* alpha,\
+                                            const float *ba, float *restrict bb){}
 #endif
 
 void CNAME (BLASLONG M, BLASLONG N, float alpha, float * __restrict A,\