diff --git a/pkg/wakaama/include/lwm2m_client.h b/pkg/wakaama/include/lwm2m_client.h
index de5d9b25fb..833c857e2c 100644
--- a/pkg/wakaama/include/lwm2m_client.h
+++ b/pkg/wakaama/include/lwm2m_client.h
@@ -26,7 +26,6 @@ extern "C" {
 
 #include <ctype.h>
 #include <errno.h>
-#include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>