diff --git a/src/tests/system/libroot/posix/posixtestsuite/conformance/interfaces/sem_timedwait/3-1.c b/src/tests/system/libroot/posix/posixtestsuite/conformance/interfaces/sem_timedwait/3-1.c
index 909e05bb24..df20c40965 100644
--- a/src/tests/system/libroot/posix/posixtestsuite/conformance/interfaces/sem_timedwait/3-1.c
+++ b/src/tests/system/libroot/posix/posixtestsuite/conformance/interfaces/sem_timedwait/3-1.c
@@ -19,7 +19,6 @@
 #include <sys/types.h>
 #include <strings.h>
 #include <semaphore.h>
-#include <features.h>
 #include <time.h>
 #include <unistd.h>
 #include "posixtest.h"
diff --git a/src/tests/system/libroot/posix/posixtestsuite/conformance/interfaces/sem_timedwait/7-1.c b/src/tests/system/libroot/posix/posixtestsuite/conformance/interfaces/sem_timedwait/7-1.c
index 11c82a9bdf..d4618e0004 100644
--- a/src/tests/system/libroot/posix/posixtestsuite/conformance/interfaces/sem_timedwait/7-1.c
+++ b/src/tests/system/libroot/posix/posixtestsuite/conformance/interfaces/sem_timedwait/7-1.c
@@ -19,7 +19,6 @@
 #include <sys/types.h>
 #include <strings.h>
 #include <semaphore.h>
-#include <features.h>
 #include <time.h>
 #include <unistd.h>
 #include <errno.h>