diff --git a/test/test-hrtime.c b/test/test-hrtime.c
index 03cb429d..9256b80a 100644
--- a/test/test-hrtime.c
+++ b/test/test-hrtime.c
@@ -23,6 +23,16 @@
 #include "task.h"
 
 
+#ifndef MICROSEC
+# define MICROSEC 1000000
+#endif
+
+#ifndef NANOSEC
+# define NANOSEC 1000000000
+#endif
+
+
+
 /*
  * We expect the amount of time passed to be at least one us plus two system
  * calls. Therefore checking that at least a microsecond has elapsed is safe.
diff --git a/uv.h b/uv.h
index a013c8d2..1cd8eede 100644
--- a/uv.h
+++ b/uv.h
@@ -459,6 +459,18 @@ struct sockaddr_in6 uv_ip6_addr(const char* ip, int port);
 /* Gets the executable path */
 int uv_exepath(char* buffer, size_t* size);
 
+/*
+ * Returns the current high-resolution real time. This is expressed in
+ * nanoseconds. It is relative to an arbitrary time in the past. It is not
+ * related to the time of day and therefore not subject to clock drift. The
+ * primary use is for measuring performance between intervals.
+ *
+ * Note not every platform can support nanosecond resolution; however, this
+ * value will always be in nanoseconds.
+ */
+extern uint64_t uv_hrtime(void);
+
+
 /* the presence of this union forces similar struct layout */
 union uv_any_handle {
   uv_tcp_t tcp;
@@ -486,35 +498,6 @@ typedef struct {
 
 uv_counters_t* uv_counters();
 
-
-#ifndef SEC
-# define SEC 1
-#endif
-
-#ifndef MILLISEC
-# define MILLISEC 1000
-#endif
-
-#ifndef MICROSEC
-# define MICROSEC 1000000
-#endif
-
-#ifndef NANOSEC
-# define NANOSEC 1000000000
-#endif
-
-
-/*
- * Returns the current high-resolution real time. This is expressed in
- * nanoseconds. It is relative to an arbitrary time in the past. It is not
- * related to the time of day and therefore not subject to clock drift. The
- * primary use is for measuring performance between intervals.
- *
- * Note not every platform can support nanosecond resolution; however, this
- * value will always be in nanoseconds.
- */
-extern uint64_t uv_hrtime(void);
-
 #ifdef __cplusplus
 }
 #endif