diff --git a/ot_accesslist.c b/ot_accesslist.c
index 6ef7114..11e4317 100644
--- a/ot_accesslist.c
+++ b/ot_accesslist.c
@@ -22,7 +22,7 @@
 
 /* GLOBAL VARIABLES */
 #ifdef WANT_ACCESSLIST
-char *g_accesslist_filename = NULL;
+char *g_accesslist_filename;
 static ot_vector accesslist;
 
 static void accesslist_reset( void ) {
diff --git a/ot_mutex.c b/ot_mutex.c
index 2052ffa..772d936 100644
--- a/ot_mutex.c
+++ b/ot_mutex.c
@@ -123,7 +123,7 @@ struct ot_task {
 };
 
 static ot_taskid next_free_taskid = 1;
-static struct ot_task *tasklist = NULL;
+static struct ot_task *tasklist;
 static pthread_mutex_t tasklist_mutex;
 static pthread_cond_t tasklist_being_filled;
 
diff --git a/ot_stats.c b/ot_stats.c
index 2e745a4..7cbd1ce 100644
--- a/ot_stats.c
+++ b/ot_stats.c
@@ -82,7 +82,7 @@ union stats_network_node {
 };
 
 #ifdef WANT_LOG_NETWORKS
-static stats_network_node *stats_network_counters_root = NULL;
+static stats_network_node *stats_network_counters_root;
 #endif
 
 static int stat_increase_network_count( stats_network_node **node, int depth, uintptr_t ip ) {