Remove *prev from PositionPQ

1 files changed, 0 insertions, 2 deletions

diff --git a/priority_queue.c b/priority_queue.c
index c8afec6..e4dca9a 100644
--- a/priority_queue.c
+++ b/priority_queue.c
@@ -7,7 +7,6 @@ PositionPQ *ppq_new(Position pos, size_t priority) {
     PositionPQ *ppq = malloc(sizeof(PositionPQ));
     ppq->pos = pos;
     ppq->priority = priority;
-    ppq->prev = NULL;
     ppq->next = NULL;
     return ppq;
 }
@@ -55,7 +54,6 @@ Position ppq_pop(PositionPQ **ppq) {
     }
     Position pos = (*ppq)->pos;
     if ((*ppq)->next != NULL) { /* If there's a next node */
-        (*ppq)->next->prev = NULL;
         PositionPQ *next = (*ppq)->next;
         free((*ppq));
         (*ppq) = next;