diff --git a/libs/spandsp/src/at_interpreter.c b/libs/spandsp/src/at_interpreter.c
index 30265cb8fb..5d488a2685 100644
--- a/libs/spandsp/src/at_interpreter.c
+++ b/libs/spandsp/src/at_interpreter.c
@@ -40,9 +40,6 @@
 #include <fcntl.h>
 #include <memory.h>
 #include <string.h>
-#if defined(HAVE_STRINGS_H)
-#include <strings.h>
-#endif
 #include <ctype.h>
 #include <assert.h>