diff --git a/include/mimalloc/internal.h b/include/mimalloc/internal.h
index 73762711..3f03b460 100644
--- a/include/mimalloc/internal.h
+++ b/include/mimalloc/internal.h
@@ -125,7 +125,7 @@ void*      _mi_arena_alloc(size_t size, bool commit, bool allow_large, mi_arena_
 void*      _mi_arena_alloc_aligned(size_t size, size_t alignment, size_t align_offset, bool commit, bool allow_large, mi_arena_id_t req_arena_id, mi_memid_t* memid, mi_os_tld_t* tld);
 bool       _mi_arena_memid_is_suitable(mi_memid_t memid, mi_arena_id_t request_arena_id);
 bool       _mi_arena_contains(const void* p);
-void       _mi_arena_collect(bool force_purge, mi_stats_t* stats);
+void       _mi_arenas_collect(bool force_purge, mi_stats_t* stats);
 void       _mi_arena_unsafe_destroy_all(mi_stats_t* stats);
 
 bool       _mi_arena_segment_clear_abandoned(mi_segment_t* segment);
diff --git a/src/arena.c b/src/arena.c
index 4910d8ca..db94bd1e 100644
--- a/src/arena.c
+++ b/src/arena.c
@@ -711,7 +711,7 @@ static void mi_arenas_unsafe_destroy(void) {
 }
 
 // Purge the arenas; if `force_purge` is true, amenable parts are purged even if not yet expired
-void _mi_arena_collect(bool force_purge, mi_stats_t* stats) {
+void _mi_arenas_collect(bool force_purge, mi_stats_t* stats) {
   mi_arenas_try_purge(force_purge, force_purge /* visit all? */, stats);
 }
 
@@ -719,7 +719,7 @@ void _mi_arena_collect(bool force_purge, mi_stats_t* stats) {
 // for dynamic libraries that are unloaded and need to release all their allocated memory.
 void _mi_arena_unsafe_destroy_all(mi_stats_t* stats) {
   mi_arenas_unsafe_destroy();
-  _mi_arena_collect(true /* force purge */, stats);  // purge non-owned arenas
+  _mi_arenas_collect(true /* force purge */, stats);  // purge non-owned arenas
 }
 
 // Is a pointer inside any of our arenas?
diff --git a/src/heap.c b/src/heap.c
index 587ed9a0..a6477a56 100644
--- a/src/heap.c
+++ b/src/heap.c
@@ -168,7 +168,7 @@ static void mi_heap_collect_ex(mi_heap_t* heap, mi_collect_t collect)
   }
   
   // collect arenas (this is program wide so don't force purges on abandonment of threads)
-  _mi_arena_collect(collect == MI_FORCE /* force purge? */, &heap->tld->stats);  
+  _mi_arenas_collect(collect == MI_FORCE /* force purge? */, &heap->tld->stats);  
 }
 
 void _mi_heap_collect_abandon(mi_heap_t* heap) {
diff --git a/src/segment.c b/src/segment.c
index 2f20421a..f8054697 100644
--- a/src/segment.c
+++ b/src/segment.c
@@ -591,7 +591,6 @@ static void mi_segment_try_purge(mi_segment_t* segment, bool force, mi_stats_t*
 // called from `mi_heap_collect_ex`
 // this can be called per-page so it is important that try_purge has fast exit path
 void _mi_segment_collect(mi_segment_t* segment, bool force, mi_segments_tld_t* tld) {
-  MI_UNUSED(force); MI_UNUSED(tld);
   mi_segment_try_purge(segment, force, tld->stats);
 }