diff --git a/src/task.h b/src/task.h
index 30e36d1b..9a6c20e3 100644
--- a/src/task.h
+++ b/src/task.h
@@ -15,8 +15,6 @@
 
 /** An event loop. */
 typedef struct uv_loop_s uv_loop_t;
-/** A timer. */
-typedef struct uv_timer_s uv_timer_t;
 
 /** A task identifier. */
 typedef int taskid_t;
diff --git a/src/util.js.h b/src/util.js.h
index 5b8fbe32..09383697 100644
--- a/src/util.js.h
+++ b/src/util.js.h
@@ -21,9 +21,6 @@ typedef enum _tf_setting_kind_t
 	k_kind_string,
 } tf_setting_kind_t;
 
-/** An event loop. */
-typedef struct uv_loop_s uv_loop_t;
-
 /**
 ** Register utility script functions.
 ** @param context The JS context.