diff --git a/serialsock/cmdlnopts.c b/serialsock/cmdlnopts.c
index 6bd1615..4186c89 100644
--- a/serialsock/cmdlnopts.c
+++ b/serialsock/cmdlnopts.c
@@ -17,11 +17,8 @@
  */
 
 #include <assert.h>
-#include <math.h>
 #include <stdarg.h>
 #include <stdio.h>
-#include <string.h>
-#include <strings.h>
 
 #include "cmdlnopts.h"
 #include "usefull_macros.h"
diff --git a/serialsock/main.c b/serialsock/main.c
index 32e8467..814929e 100644
--- a/serialsock/main.c
+++ b/serialsock/main.c
@@ -16,17 +16,10 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <arpa/inet.h>
-#include <limits.h>
-#include <netdb.h>
-#include <pthread.h>
 #include <signal.h>
 #include <stdio.h>
 #include <string.h>
 #include <sys/prctl.h>
-#include <sys/select.h>
-#include <sys/socket.h>
-#include <sys/types.h>
 #include <sys/wait.h>
 #include <usefull_macros.h>
 
diff --git a/serialsock/sersock.c b/serialsock/sersock.c
index ba7618a..26a6566 100644
--- a/serialsock/sersock.c
+++ b/serialsock/sersock.c
@@ -16,19 +16,12 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <arpa/inet.h>
-#include <limits.h>
 #include <netdb.h>
 #include <poll.h>
-#include <signal.h>
 #include <stdio.h>
 #include <string.h>
 #include <sys/ioctl.h>
-#include <sys/select.h>
-#include <sys/socket.h>
-#include <sys/types.h>
 #include <sys/un.h>  // unix socket
-#include <usefull_macros.h>
 
 #include "cmdlnopts.h"
 #include "sersock.h"