diff --git a/dump.c b/dump.c
index 3e4a6cc..e538f3e 100644
--- a/dump.c
+++ b/dump.c
@@ -28,10 +28,13 @@
 #include <netinet/icmp6.h>
 #include <linux/icmp.h>
 
+#include "debug.h"
 #include "checksum.h"
 #include "clatd.h"
 #include "logging.h"
 
+#if CLAT_DEBUG
+
 /* print ip header */
 void dump_ip(struct iphdr *header) {
   u_int16_t frag_flags;
@@ -223,3 +226,5 @@
 
   logmsg(ANDROID_LOG_WARN,"info %s len %d data %s", info, len, output);
 }
+
+#endif  // CLAT_DEBUG