diff --git a/src/main/java/com/nhn/hippo/web/calltree/RPCRequest.java b/src/main/java/com/nhn/hippo/web/calltree/RPCRequest.java
deleted file mode 100644
index 8587bdcb7..000000000
--- a/src/main/java/com/nhn/hippo/web/calltree/RPCRequest.java
+++ /dev/null
@@ -1,46 +0,0 @@
-package com.nhn.hippo.web.calltree;
-
-/**
- * 
- * @author netspider
- * 
- */
-public class RPCRequest {
-	private final String id;
-	private final RPC from;
-	private final RPC to;
-	private int callCount = 1;
-
-	public RPCRequest(RPC from, RPC to) {
-		this.from = from;
-		this.to = to;
-		this.id = from.getId() + to.getId();
-	}
-
-	public void increaseCallCount() {
-		callCount++;
-	}
-
-	public String getId() {
-		return id;
-	}
-
-	public RPC getFrom() {
-		return from;
-	}
-
-	public RPC getTo() {
-		return to;
-	}
-
-	public int getCallCount() {
-		return callCount;
-	}
-
-	@Override
-	public String toString() {
-		StringBuilder sb = new StringBuilder();
-		sb.append("{from=").append(from).append(", to=").append(to).append(", cc=").append(callCount).append("}");
-		return sb.toString();
-	}
-}