diff --git a/include/coap/debug.h b/include/coap/debug.h
index e7c86aff..356f401e 100644
--- a/include/coap/debug.h
+++ b/include/coap/debug.h
@@ -58,8 +58,6 @@ void coap_log_impl(coap_log_t level, const char *format, ...);
 #define coap_log(...) coap_log_impl(__VA_ARGS__)
 #endif
 
-#ifndef NDEBUG
-
 /* A set of convenience macros for common log levels. */
 #define info(...) coap_log(LOG_INFO, __VA_ARGS__)
 #define warn(...) coap_log(LOG_WARNING, __VA_ARGS__)
@@ -71,15 +69,4 @@ void coap_show_pdu(const coap_pdu_t *);
 struct coap_address_t;
 size_t coap_print_addr(const struct coap_address_t *, unsigned char *, size_t);
 
-#else
-
-#define debug(...)
-#define info(...)
-#define warn(...)
-
-#define coap_show_pdu(x)
-#define coap_print_addr(...)
-
-#endif /* NDEBUG */
-
 #endif /* _COAP_DEBUG_H_ */
diff --git a/src/debug.c b/src/debug.c
index c72c9e07..fca920d6 100644
--- a/src/debug.c
+++ b/src/debug.c
@@ -101,8 +101,6 @@ print_timestamp(char *s, size_t len, coap_tick_t t) {
 
 #endif /* HAVE_TIME_H */
 
-#ifndef NDEBUG
-
 #ifndef HAVE_STRNLEN
 /** 
  * A length-safe strlen() fake. 
@@ -483,8 +481,6 @@ coap_show_pdu(const coap_pdu_t *pdu) {
 }
 
 
-#endif /* NDEBUG */
-
 void 
 coap_log_impl(coap_log_t level, const char *format, ...) {
   char timebuf[32];