diff --git a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/simple_onlytop.json b/eth/tracers/internal/tracetest/testdata/call_tracer_flat/simple_onlytop.json
deleted file mode 100644
index 5fbdf55d2227..000000000000
--- a/eth/tracers/internal/tracetest/testdata/call_tracer_flat/simple_onlytop.json
+++ /dev/null
@@ -1,100 +0,0 @@
-{
-  "context": {
-    "difficulty": "3502894804",
-    "gasLimit": "4722976",
-    "miner": "0x1585936b53834b021f68cc13eeefdec2efc8e724",
-    "number": "2289806",
-    "timestamp": "1513601314"
-  },
-  "genesis": {
-    "alloc": {
-      "0x0024f658a46fbb89d8ac105e98d7ac7cbbaf27c5": {
-        "balance": "0x0",
-        "code": "0x",
-        "nonce": "22",
-        "storage": {}
-      },
-      "0x3b873a919aa0512d5a0f09e6dcceaa4a6727fafe": {
-        "balance": "0x4d87094125a369d9bd5",
-        "code": "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",
-        "nonce": "1",
-        "storage": {
-          "0x0000000000000000000000000000000000000000000000000000000000000000": "0x000000000000000000000001b436ba50d378d4bbc8660d312a13df6af6e89dfb",
-          "0x0000000000000000000000000000000000000000000000000000000000000001": "0x00000000000000000000000000000000000000000000000006f05b59d3b20000",
-          "0x0000000000000000000000000000000000000000000000000000000000000002": "0x000000000000000000000000000000000000000000000000000000000000003c",
-          "0x0000000000000000000000000000000000000000000000000000000000000003": "0x000000000000000000000000000000000000000000000000000000005a37b834"
-        }
-      },
-      "0xb436ba50d378d4bbc8660d312a13df6af6e89dfb": {
-        "balance": "0x1780d77678137ac1b775",
-        "code": "0x",
-        "nonce": "29072",
-        "storage": {}
-      }
-    },
-    "config": {
-      "byzantiumBlock": 1700000,
-      "chainId": 3,
-      "daoForkSupport": true,
-      "eip150Block": 0,
-      "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
-      "eip155Block": 10,
-      "eip158Block": 10,
-      "ethash": {},
-      "homesteadBlock": 0
-    },
-    "difficulty": "3509749784",
-    "extraData": "0x4554482e45544846414e532e4f52472d4641313738394444",
-    "gasLimit": "4727564",
-    "hash": "0x609948ac3bd3c00b7736b933248891d6c901ee28f066241bddb28f4e00a9f440",
-    "miner": "0xbbf5029fd710d227630c8b7d338051b8e76d50b3",
-    "mixHash": "0xb131e4507c93c7377de00e7c271bf409ec7492767142ff0f45c882f8068c2ada",
-    "nonce": "0x4eb12e19c16d43da",
-    "number": "2289805",
-    "stateRoot": "0xc7f10f352bff82fac3c2999d3085093d12652e19c7fd32591de49dc5d91b4f1f",
-    "timestamp": "1513601261",
-    "totalDifficulty": "7143276353481064"
-  },
-  "input": "0xf88b8271908506fc23ac0083015f90943b873a919aa0512d5a0f09e6dcceaa4a6727fafe80a463e4bff40000000000000000000000000024f658a46fbb89d8ac105e98d7ac7cbbaf27c52aa0bdce0b59e8761854e857fe64015f06dd08a4fbb7624f6094893a79a72e6ad6bea01d9dde033cff7bb235a3163f348a6d7ab8d6b52bc0963a95b91612e40ca766a4",
-  "tracerConfig": {
-    "onlyTopCall": true
-  },
-  "result": [
-    {
-      "action": {
-        "callType": "call",
-        "from": "0xb436ba50d378d4bbc8660d312a13df6af6e89dfb",
-        "gas": "0x15f90",
-        "input": "0x63e4bff40000000000000000000000000024f658a46fbb89d8ac105e98d7ac7cbbaf27c5",
-        "to": "0x3b873a919aa0512d5a0f09e6dcceaa4a6727fafe",
-        "value": "0x0"
-      },
-      "blockNumber": 2289806,
-      "result": {
-        "gasUsed": "0x9751",
-        "output": "0x0000000000000000000000000000000000000000000000000000000000000001"
-      },
-      "subtraces": 1,
-      "traceAddress": [],
-      "type": "call"
-    },
-    {
-      "action": {
-        "callType": "call",
-        "from": "0x3b873a919aa0512d5a0f09e6dcceaa4a6727fafe",
-        "gas": "0x6d05",
-        "input": "0x",
-        "to": "0x0024f658a46fbb89d8ac105e98d7ac7cbbaf27c5",
-        "value": "0x6f05b59d3b20000"
-      },
-      "blockNumber": 0,
-      "result": {
-        "gasUsed": "0x0",
-        "output": "0x"
-      },
-      "subtraces": 0,
-      "traceAddress": [0],
-      "type": "call"
-    }
-  ]
-}
diff --git a/eth/tracers/native/call_flat.go b/eth/tracers/native/call_flat.go
index 8612c23387d6..5da60405062f 100644
--- a/eth/tracers/native/call_flat.go
+++ b/eth/tracers/native/call_flat.go
@@ -129,9 +129,7 @@ func newFlatCallTracer(ctx *tracers.Context, cfg json.RawMessage) (tracers.Trace
 		}
 	}
 
-	// Create inner call tracer with default configuration, don't forward
-	// the OnlyTopCall or WithLog to inner for now
-	tracer, err := tracers.DefaultDirectory.New("callTracer", ctx, nil)
+	tracer, err := tracers.DefaultDirectory.New("callTracer", ctx, cfg)
 	if err != nil {
 		return nil, err
 	}