diff --git a/Makefile.in b/Makefile.in
index 0796bd36..11e43b8d 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -75,6 +75,7 @@ CFLAGS=	@CPPFLAGS@ @CFLAGS@ @PORTAUDIO_CFLAGS@ @SRC_CFLAGS@ @SPANDSP_CFLAGS@ @PT
 CFLAGS+=-Wall -Wno-unused-value
 #CFLAGS+=-Wunreachable-code
 #CFLAGS+=-O0
+CFLAGS+=-DDO_TIMING_CHECKS
 
 DEFS=	@DEFS@
 
diff --git a/serval.h b/serval.h
index 545f6682..f04d9047 100755
--- a/serval.h
+++ b/serval.h
@@ -115,9 +115,13 @@ struct in_addr {
 #define bzero(addr,len) memset((addr), 0, (len))
 
 /* @PGS/20120615 */
+#ifdef DO_TIMING_CHECKS
 #define TIMING_CHECK() _TIMING_CHECK(__FILE__,__FUNCTION__,__LINE__)
 void _TIMING_CHECK(const char *file,const char *func,int line);
 void TIMING_PAUSE();
+#else
+#define TIMING_CHECK()
+#endif
 
 /* UDP Port numbers for various Serval services.
  The overlay mesh works over DNA */