diff --git a/graph/dfs_with_stack.cpp b/graph/dfs_with_stack.cpp
index 193f3f291..5ca1c53b7 100644
--- a/graph/dfs_with_stack.cpp
+++ b/graph/dfs_with_stack.cpp
@@ -9,8 +9,6 @@
 
 using namespace std;
 
-int checked[999] = {WHITE};
-
 void dfs(const list<int> lista[], int start) {
     stack<int> stack;