diff --git a/ext/io/event/selector/epoll.c b/ext/io/event/selector/epoll.c
index 6ef7a3f..0f50757 100644
--- a/ext/io/event/selector/epoll.c
+++ b/ext/io/event/selector/epoll.c
@@ -147,7 +147,7 @@ void IO_Event_Selector_EPoll_Type_free(void *_selector)
 	
 	IO_Event_Array_free(&selector->descriptors);
 	
-	free(selector);
+	xfree(selector);
 }
 
 static
diff --git a/ext/io/event/selector/kqueue.c b/ext/io/event/selector/kqueue.c
index 49ad85b..9cab2c2 100644
--- a/ext/io/event/selector/kqueue.c
+++ b/ext/io/event/selector/kqueue.c
@@ -146,7 +146,7 @@ void IO_Event_Selector_KQueue_Type_free(void *_selector)
 	
 	IO_Event_Array_free(&selector->descriptors);
 	
-	free(selector);
+	xfree(selector);
 }
 
 static
diff --git a/ext/io/event/selector/uring.c b/ext/io/event/selector/uring.c
index d342742..ae4d1fc 100644
--- a/ext/io/event/selector/uring.c
+++ b/ext/io/event/selector/uring.c
@@ -116,7 +116,7 @@ void IO_Event_Selector_URing_Type_free(void *_selector)
 	
 	IO_Event_Array_free(&selector->completions);
 	
-	free(selector);
+	xfree(selector);
 }
 
 static