diff --git a/src/10/21/P7299.cpp b/src/10/21/P7299.cpp
index 0fee80b..eebdcb1 100644
--- a/src/10/21/P7299.cpp
+++ b/src/10/21/P7299.cpp
@@ -11,7 +11,6 @@ std::vector<std::set<ll>> gotopos;
 std::vector<ll> endpos;
 ll n,k;
 std::vector<ll> poscow,nposcow;
-std::vector<std::set<ll>> vispos;
 std::vector<ll> bcj;
 std::vector<std::set<ll>> ans;
 static inline ll find(ll idx){
@@ -30,7 +29,6 @@ int main(){
     
     poscow.resize(n+1);
     gotopos.resize(n+1);
-    vispos.resize(n+1);
     endpos.resize(n+1);
     bcj.resize(n+1);
     for(ll i=1;i<=n;i++)bcj[i]=i;