diff --git a/Makefile b/Makefile
index ba7827a3..85dc5634 100644
--- a/Makefile
+++ b/Makefile
@@ -188,6 +188,7 @@ endif
 	install -m 644 lcr/lcr_comp.h $(DESTDIR)$(INCLUDEDIR_LCR)
 	install -m 644 lcr/lcr_ifact.h $(DESTDIR)$(INCLUDEDIR_LCR)
 	install -m 644 exec/service.h $(DESTDIR)$(INCLUDEDIR_SERVICE)
+	install -m 644 exec/timer.h $(DESTDIR)$(INCLUDEDIR_SERVICE)
 	install -m 644 exec/objdb.h $(DESTDIR)$(INCLUDEDIR_SERVICE)
 	install -m 644 exec/print.h $(DESTDIR)$(INCLUDEDIR_SERVICE)
 	install -m 644 exec/config.h $(DESTDIR)$(INCLUDEDIR_SERVICE)
diff --git a/exec/timer.h b/exec/timer.h
index 36d6ec96..45dd74f5 100644
--- a/exec/timer.h
+++ b/exec/timer.h
@@ -35,8 +35,6 @@
 #ifndef TIMER_H_DEFINED
 #define TIMER_H_DEFINED
 
-#include "tlist.h"
-
 typedef void * openais_timer_handle;
 
 extern void openais_timer_init (
@@ -47,17 +45,17 @@ extern int openais_timer_add_duration (
 	unsigned long long nanoseconds_in_future,
 	void *data,
 	void (*timer_fn) (void *data),
-	timer_handle *handle);
+	openais_timer_handle *handle);
 
 extern int openais_timer_add_absolute (
 	unsigned long long nanoseconds_from_epoch,
 	void *data,
 	void (*timer_fn) (void *data),
-	timer_handle *handle);
+	openais_timer_handle *handle);
 
-extern void openais_timer_delete (timer_handle timer_handle);
+extern void openais_timer_delete (openais_timer_handle timer_handle);
 
-extern void openais_timer_delete_data (timer_handle timer_handle);
+extern void openais_timer_delete_data (openais_timer_handle timer_handle);
 
 extern void openais_timer_lock (void);