diff --git a/npc/core/src/main/scala/Main.scala b/npc/core/src/main/scala/Main.scala
index bf1ffab..c06bc8e 100644
--- a/npc/core/src/main/scala/Main.scala
+++ b/npc/core/src/main/scala/Main.scala
@@ -2,10 +2,8 @@ package npc
 
 import chisel3._
 import chisel3.util.{MuxLookup, Fill, Decoupled, Counter, Queue, Reverse}
-import chisel3.util.{SRAM}
 import chisel3.stage.ChiselOption
-import npc.util.{ KeyboardSegController, RegisterFile }
-import flowpc.components.ProgramCounter
+import npc.util.KeyboardSegController
 
 class Switch extends Module {
   val io = IO(new Bundle {
@@ -33,9 +31,3 @@ class Keyboard extends Module {
   io.segs := seg_handler.io.segs
 }
 
-class Flowpc extends Module {
-  val io = IO(new Bundle { })
-  val register_file = new RegisterFile(readPorts = 2);
-  val pc = new ProgramCounter(32);
-  val adder = new SRAM()
-}
diff --git a/npc/core/src/main/scala/ProgramCounter.scala b/npc/core/src/main/scala/ProgramCounter.scala
deleted file mode 100644
index 0687f9a..0000000
--- a/npc/core/src/main/scala/ProgramCounter.scala
+++ /dev/null
@@ -1,11 +0,0 @@
-package flowpc.components
-import chisel3._
-import chisel3.util.{Valid}
-
-class ProgramCounter (width: Int) extends Module {
-  val io = new Bundle {
-    val next_pc = Input(Flipped(Valid(UInt(width.W))))
-    val pc = Output(UInt(width.W))
-  }
-    io.pc := Mux(io.next_pc.valid, io.next_pc.bits, io.pc)
-}