diff --git a/src/8/30/P1896.cpp b/src/8/30/P1896.cpp
index c9f9e96..6f14b2d 100644
--- a/src/8/30/P1896.cpp
+++ b/src/8/30/P1896.cpp
@@ -1,10 +1,8 @@
 #include <cstdint>
-#include <cstdio>
 #include <cstdlib>
 #include <cstring>
 #include <iostream>
 #include <istream>
-#include <string>
 #include <vector>
 
 using ll = int64_t;