diff --git a/src/dyn_arr.c b/src/dyn_arr.c
index 04197ab..187ab9d 100644
--- a/src/dyn_arr.c
+++ b/src/dyn_arr.c
@@ -60,6 +60,10 @@ void dyn_arr_pop(void *array, size_t item_size) {
   header = realloc(dyna_get_header(array), new_size);
 }
 
+void dyna_deinit(void *array) {
+  free(dyna_get_header(array));
+}
+
 bool dyna_empty(void *array) {
   if (dyna_length(array) == 0) {
     return true;
diff --git a/src/dyn_arr.h b/src/dyn_arr.h
index b2d87a3..cebddef 100644
--- a/src/dyn_arr.h
+++ b/src/dyn_arr.h
@@ -13,7 +13,6 @@
  *   - clear aka erase
  *   - insert
  *   - (optional) insert range
- *   - pop
  *   - (optional) swap
  *   - (optional) resize
  * - Sanity checks
@@ -41,6 +40,8 @@ void *dyna_ensure_capacity(void *array, size_t item_count, size_t item_size);
 #define dyna_pop(array) dyn_arr_pop(array, sizeof(typeof(*array)))
 void dyn_arr_pop(void *array, size_t item_size);
 
+void dyna_deinit(void *array);
+
 // Get meta data
 #define dyna_get_header(array) ((dyna_header *)(array)-1)
 #define dyna_length(array) (dyna_get_header(array)->length)
diff --git a/src/main.c b/src/main.c
index 4d88141..9b24bce 100644
--- a/src/main.c
+++ b/src/main.c
@@ -8,6 +8,8 @@ int main() {
 
   for (uint64_t i = 0; i < 9999999; i++) {
     dyna_append(dyna_array, i);
+    printf("length: %zu capacity: %zu\n", dyna_array[i],
+           dyna_capacity(dyna_array));
   }
 
   for (uint64_t i = 9999999; i > 0; i--) {