diff --git a/eth/tracers/native/call.go b/eth/tracers/native/call.go
index 70b49f1ccd..d990ac65c9 100644
--- a/eth/tracers/native/call.go
+++ b/eth/tracers/native/call.go
@@ -74,7 +74,6 @@ func (t *CallTracer) CaptureEnter(typ vm.OpCode, from common.Address, to common.
 		Input: bytesToHex(input),
 		Gas:   uintToHex(gas),
 		Value: bigToHex(value),
-		Calls: make([]CallFrame, 0),
 	}
 	t.callstack = append(t.callstack, call)
 }