diff --git a/src/cron.c b/src/cron.c
index 796ff7a..344b326 100644
--- a/src/cron.c
+++ b/src/cron.c
@@ -72,11 +72,11 @@ int uev_cron_init(uev_ctx_t *ctx, uev_t *w, uev_cb_t *cb, void *arg, time_t when
 	if (fd < 0)
 		return -1;
 
-	if (uev_watcher_init(ctx, w, UEV_CRON_TYPE, cb, arg, fd, UEV_READ))
+	if (_uev_watcher_init(ctx, w, UEV_CRON_TYPE, cb, arg, fd, UEV_READ))
 		goto exit;
 
 	if (uev_cron_set(w, when, interval)) {
-		uev_watcher_stop(w);
+		_uev_watcher_stop(w);
 	exit:
 		close(fd);
 		return -1;
@@ -132,7 +132,7 @@ int uev_cron_set(uev_t *w, time_t when, time_t interval)
 			return 1;
 	}
 
-	return uev_watcher_start(w);
+	return _uev_watcher_start(w);
 }
 
 /**
diff --git a/src/io.c b/src/io.c
index 9295c9f..5c64d49 100644
--- a/src/io.c
+++ b/src/io.c
@@ -44,10 +44,10 @@ int uev_io_init(uev_ctx_t *ctx, uev_t *w, uev_cb_t *cb, void *arg, int fd, int e
 		return -1;
 	}
 
-	if (uev_watcher_init(ctx, w, UEV_IO_TYPE, cb, arg, fd, events))
+	if (_uev_watcher_init(ctx, w, UEV_IO_TYPE, cb, arg, fd, events))
 		return -1;
 
-	return uev_watcher_start(w);
+	return _uev_watcher_start(w);
 }
 
 /**
@@ -62,7 +62,7 @@ int uev_io_set(uev_t *w, int fd, int events)
 {
 
 	if ((events & UEV_ONESHOT) && w->active)
-		return uev_watcher_rearm(w);
+		return _uev_watcher_rearm(w);
 
 	/* Ignore any errors, only to clean up anything lingering ... */
 	uev_io_stop(w);
@@ -89,7 +89,7 @@ int uev_io_start(uev_t *w)
  */
 int uev_io_stop(uev_t *w)
 {
-	return uev_watcher_stop(w);
+	return _uev_watcher_stop(w);
 }
 
 /**
diff --git a/src/private.h b/src/private.h
index 7670213..6eb960d 100644
--- a/src/private.h
+++ b/src/private.h
@@ -81,13 +81,13 @@ struct uev;
 	uev_type_t
 
 /* Internal API for dealing with generic watchers */
-int uev_watcher_init  (uev_ctx_t *ctx, struct uev *w, uev_type_t type,
-		       void (*cb)(struct uev *, void *, int), void *arg,
-		       int fd, int events);
-int uev_watcher_start (struct uev *w);
-int uev_watcher_stop  (struct uev *w);
-int uev_watcher_active(struct uev *w);
-int uev_watcher_rearm (struct uev *w);
+int _uev_watcher_init  (uev_ctx_t *ctx, struct uev *w, uev_type_t type,
+			void (*cb)(struct uev *, void *, int), void *arg,
+			int fd, int events);
+int _uev_watcher_start (struct uev *w);
+int _uev_watcher_stop  (struct uev *w);
+int _uev_watcher_active(struct uev *w);
+int _uev_watcher_rearm (struct uev *w);
 
 #endif /* LIBUEV_PRIVATE_H_ */
 
diff --git a/src/signal.c b/src/signal.c
index 9f94bf2..3e30a24 100644
--- a/src/signal.c
+++ b/src/signal.c
@@ -56,11 +56,11 @@ int uev_signal_init(uev_ctx_t *ctx, uev_t *w, uev_cb_t *cb, void *arg, int signo
 	if (fd < 0)
 		return -1;
 
-	if (uev_watcher_init(ctx, w, UEV_SIGNAL_TYPE, cb, arg, fd, UEV_READ))
+	if (_uev_watcher_init(ctx, w, UEV_SIGNAL_TYPE, cb, arg, fd, UEV_READ))
 		goto exit;
 
 	if (uev_signal_set(w, signo)) {
-		uev_watcher_stop(w);
+		_uev_watcher_stop(w);
 	exit:
 		close(fd);
 		return -1;
@@ -109,7 +109,7 @@ int uev_signal_set(uev_t *w, int signo)
 	if (signalfd(w->fd, &mask, SFD_NONBLOCK) < 0)
 		return -1;
 
-	return uev_watcher_start(w);
+	return _uev_watcher_start(w);
 }
 
 
@@ -140,7 +140,7 @@ int uev_signal_start(uev_t *w)
  */
 int uev_signal_stop(uev_t *w)
 {
-	if (uev_watcher_stop(w))
+	if (_uev_watcher_stop(w))
 		return -1;
 
 	close(w->fd);
diff --git a/src/timer.c b/src/timer.c
index 22c825d..cd9813b 100644
--- a/src/timer.c
+++ b/src/timer.c
@@ -76,11 +76,11 @@ int uev_timer_init(uev_ctx_t *ctx, uev_t *w, uev_cb_t *cb, void *arg, int timeou
 	if (fd < 0)
 		return -1;
 
-	if (uev_watcher_init(ctx, w, UEV_TIMER_TYPE, cb, arg, fd, UEV_READ))
+	if (_uev_watcher_init(ctx, w, UEV_TIMER_TYPE, cb, arg, fd, UEV_READ))
 		goto exit;
 
 	if (uev_timer_set(w, timeout, period)) {
-		uev_watcher_stop(w);
+		_uev_watcher_stop(w);
 	exit:
 		close(fd);
 		return -1;
@@ -135,7 +135,7 @@ int uev_timer_set(uev_t *w, int timeout, int period)
 			return 1;
 	}
 
-	return uev_watcher_start(w);
+	return _uev_watcher_start(w);
 }
 
 /**
@@ -152,7 +152,7 @@ int uev_timer_start(uev_t *w)
 	}
 
 	if (-1 != w->fd)
-		uev_watcher_stop(w);
+		_uev_watcher_stop(w);
 
 	return uev_timer_set(w, w->u.t.timeout, w->u.t.period);
 }
@@ -168,7 +168,7 @@ int uev_timer_stop(uev_t *w)
 	/* Stop kernel timer */
 	uev_timer_set(w, 0, 0);
 
-	if (uev_watcher_stop(w))
+	if (_uev_watcher_stop(w))
 		return -1;
 
 	/* Close timerfd, will have to be reopened again on reset */
diff --git a/src/uev.c b/src/uev.c
index f8d2540..b38aeb0 100644
--- a/src/uev.c
+++ b/src/uev.c
@@ -57,7 +57,7 @@ static int is_valid_fd(int fd)
 }
 
 /* Private to libuEv, do not use directly! */
-int uev_watcher_init(uev_ctx_t *ctx, uev_t *w, uev_type_t type, uev_cb_t *cb, void *arg, int fd, int events)
+int _uev_watcher_init(uev_ctx_t *ctx, uev_t *w, uev_type_t type, uev_cb_t *cb, void *arg, int fd, int events)
 {
 	if (!ctx || !w) {
 		errno = EINVAL;
@@ -76,7 +76,7 @@ int uev_watcher_init(uev_ctx_t *ctx, uev_t *w, uev_type_t type, uev_cb_t *cb, vo
 }
 
 /* Private to libuEv, do not use directly! */
-int uev_watcher_start(uev_t *w)
+int _uev_watcher_start(uev_t *w)
 {
 	struct epoll_event ev;
 
@@ -102,7 +102,7 @@ int uev_watcher_start(uev_t *w)
 }
 
 /* Private to libuEv, do not use directly! */
-int uev_watcher_stop(uev_t *w)
+int _uev_watcher_stop(uev_t *w)
 {
 	if (!w) {
 		errno = EINVAL;
@@ -125,7 +125,7 @@ int uev_watcher_stop(uev_t *w)
 }
 
 /* Private to libuEv, do not use directly! */
-int uev_watcher_active(uev_t *w)
+int _uev_watcher_active(uev_t *w)
 {
 	if (!w)
 		return 0;
@@ -134,7 +134,7 @@ int uev_watcher_active(uev_t *w)
 }
 
 /* Private to libuEv, do not use directly! */
-int uev_watcher_rearm(uev_t *w)
+int _uev_watcher_rearm(uev_t *w)
 {
 	struct epoll_event ev;
 
@@ -280,7 +280,7 @@ int uev_run(uev_ctx_t *ctx, int flags)
 
 					/* If not valid anymore, try to remove, ignore any errors. */
 					if (!is_valid_fd(w->fd))
-						uev_watcher_stop(w);
+						_uev_watcher_stop(w);
 
 					/* Must recreate epoll fd now ... */
 					if (_init(ctx, 1)) {
@@ -293,10 +293,10 @@ int uev_run(uev_ctx_t *ctx, int flags)
 						if (w->active) {
 							w->active = 0;
 							LIST_REMOVE(w, link);
-							uev_watcher_start(w);
+							_uev_watcher_start(w);
 						}
 					}
-					uev_watcher_start(retry);
+					_uev_watcher_start(retry);
 
 					/* New efd, restart everything! */
 					ctx->errors = 0;
diff --git a/src/uev.h b/src/uev.h
index db86844..52e0c7a 100644
--- a/src/uev.h
+++ b/src/uev.h
@@ -45,10 +45,10 @@
 #define UEV_NONBLOCK    2
 
 /* Macros */
-#define uev_io_active(w)     uev_watcher_active(w)
-#define uev_timer_active(w)  uev_watcher_active(w)
-#define uev_cron_active(w)   uev_watcher_active(w)
-#define uev_signal_active(w) uev_watcher_active(w)
+#define uev_io_active(w)     _uev_watcher_active(w)
+#define uev_timer_active(w)  _uev_watcher_active(w)
+#define uev_cron_active(w)   _uev_watcher_active(w)
+#define uev_signal_active(w) _uev_watcher_active(w)
 
 /* Event watcher */
 typedef struct uev {