diff --git a/interrupt/epilogues.cc b/interrupt/epilogues.cc
index b4ba0ce..85cce97 100644
--- a/interrupt/epilogues.cc
+++ b/interrupt/epilogues.cc
@@ -5,32 +5,31 @@
 #include "../thread/scheduler.h"
 
 extern Key kout_key;
-extern Scheduler sch;
 
 namespace Epilogues {
 
-void keyboard(Vault& g) {
-    g.kout.setPos(0,0);
-    g.kout << kout_key.ascii() << flush ;
+void keyboard(Vault& v) {
+    v.kout.setPos(0,0);
+    v.kout << kout_key.ascii() << flush ;
 
 }
 
-void timer(Vault& g) { 
+void timer(Vault& v) { 
     static int counter = 0;
     int x, y;
     if(Core::getID() == 0) {
-        g.kout.getPos(x, y);
-        g.kout.setPos(65U, 0U);
-        g.kout << counter++ << " " << flush;
-        g.kout.setPos(x, y);
+        v.kout.getPos(x, y);
+        v.kout.setPos(65U, 0U);
+        v.kout << counter++ << " " << flush;
+        v.kout.setPos(x, y);
     }
 
-    sch.resume(true);
+    v.sch.resume(true);
 }
 
-void assassin(Vault& g) {
-    if (sch.active()->kill_flag) {
-        sch.exit();
+void assassin(Vault& v) {
+    if (v.sch.active()->kill_flag) {
+        v.sch.exit();
     }
 }
 };  // namespace Epilogues