diff --git a/libguile/ChangeLog b/libguile/ChangeLog
index 8d96c60bc..0db4632f5 100644
--- a/libguile/ChangeLog
+++ b/libguile/ChangeLog
@@ -1,5 +1,8 @@
 2002-12-09  Mikael Djurfeldt  <djurfeldt@nada.kth.se>
 
+	* threads.c (scm_mutex_lock, scm_cond_wait, scm_cond_timedwait):
+	Removed accidental #if 0 around these functions.
+
 	These changes are the start of support for preemptive
 	multithreading.  Marius and I have agreed that I commit this code
 	into the repository although it isn't thoroughly tested and surely
diff --git a/libguile/threads.c b/libguile/threads.c
index 4e3c9132b..99c957d3e 100644
--- a/libguile/threads.c
+++ b/libguile/threads.c
@@ -1051,7 +1051,6 @@ scm_spawn_thread (scm_t_catch_body body, void *body_data,
   return create_thread (body, body_data, handler, handler_data, SCM_BOOL_F);
 }
 
-#if 0
 int
 scm_mutex_lock (scm_t_mutex *m)
 {
@@ -1078,7 +1077,6 @@ scm_cond_timedwait (scm_t_cond *c, scm_t_mutex *m)
   scm_i_enter_guile (t);
   return res;
 }
-#endif
 
 void
 scm_enter_guile ()