diff --git a/homework-01-two-circles/main.c b/homework-01-two-circles/main.c
index 0492238..9dc28b4 100644
--- a/homework-01-two-circles/main.c
+++ b/homework-01-two-circles/main.c
@@ -1,4 +1,3 @@
-#include <bits/pthreadtypes.h>
 #include <float.h>
 #include <math.h>
 #include <stdbool.h>