diff --git a/src/libsystemd-bus/sd-dns.c b/src/libsystemd-bus/sd-dns.c
index 7d094779f..8126cb38a 100644
--- a/src/libsystemd-bus/sd-dns.c
+++ b/src/libsystemd-bus/sd-dns.c
@@ -19,10 +19,6 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
 #include <assert.h>
 #include <fcntl.h>
 #include <signal.h>
@@ -43,10 +39,7 @@
 #include <sys/resource.h>
 #include <stdint.h>
 #include <pthread.h>
-
-#ifdef HAVE_SYS_PRCTL_H
 #include <sys/prctl.h>
-#endif
 
 #include "sd-dns.h"
 #include "util.h"
diff --git a/src/libsystemd-bus/test-dns.c b/src/libsystemd-bus/test-dns.c
index e644e7c82..3e326ba07 100644
--- a/src/libsystemd-bus/test-dns.c
+++ b/src/libsystemd-bus/test-dns.c
@@ -19,10 +19,6 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
-#if HAVE_CONFIG_H
-#include <config.h>
-#endif
-
 #include <string.h>
 #include <sys/types.h>
 #include <sys/socket.h>