diff --git a/src/common.c b/src/common.c
index 04f3a92..6b38ff2 100644
--- a/src/common.c
+++ b/src/common.c
@@ -13,15 +13,11 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
 #include <arpa/inet.h>
 #include <arpa/nameser.h>
 #ifdef DARWIN
 #include <arpa/nameser8_compat.h>
 #endif
-#include <netdb.h>
 #include <time.h>
 #include <err.h>
 #include <stdio.h>
diff --git a/src/dns.c b/src/dns.c
index 9a800a8..10f3c93 100644
--- a/src/dns.c
+++ b/src/dns.c
@@ -14,22 +14,17 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
 #include <arpa/inet.h>
 #include <arpa/nameser.h>
 #ifdef DARWIN
 #include <arpa/nameser8_compat.h>
 #endif
-#include <netdb.h>
 #include <time.h>
 #include <err.h>
 #include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <stdint.h>
-#include <unistd.h>
 #include <string.h>
 #include <ctype.h>