diff --git a/src/add-ons/kernel/drivers/audio/emuxki/multi.c b/src/add-ons/kernel/drivers/audio/emuxki/multi.c
index dd4f8b7d17..ca29e9e7bc 100644
--- a/src/add-ons/kernel/drivers/audio/emuxki/multi.c
+++ b/src/add-ons/kernel/drivers/audio/emuxki/multi.c
@@ -31,6 +31,7 @@
 
 #include <OS.h>
 #include <MediaDefs.h>
+#include <string.h>
 #include <strings.h>
 #include "hmulti_audio.h"
 #include "multi.h"
diff --git a/src/libs/udis86/udis86.c b/src/libs/udis86/udis86.c
index e039c4e838..ba24569c6e 100644
--- a/src/libs/udis86/udis86.c
+++ b/src/libs/udis86/udis86.c
@@ -28,11 +28,7 @@
 #include "extern.h"
 #include "decode.h"
 
-#if !defined(__UD_STANDALONE__)
-# if HAVE_STRING_H
-#  include <string.h>
-# endif
-#endif /* !__UD_STANDALONE__ */
+#include <string.h>
 
 static void ud_inp_init(struct ud *u);