diff --git a/AK/StdLibExtras.cpp b/AK/StdLibExtras.cpp
index 164c2b5ee8..de969dc2bb 100644
--- a/AK/StdLibExtras.cpp
+++ b/AK/StdLibExtras.cpp
@@ -52,6 +52,8 @@ void* mmx_memcpy(void* dest, const void* src, size_t len)
     return dest;
 }
 
+#ifdef KERNEL
+
 static inline uint32_t divq(uint64_t n, uint32_t d)
 {
     uint32_t n1 = n >> 32;
@@ -145,4 +147,6 @@ uint64_t __udivmoddi4(uint64_t n, uint64_t d, uint64_t* r)
     return q;
 }
 
+#endif
+
 }