diff --git a/ansible/roles/nimbus-stats/files/nimbus.json b/ansible/roles/nimbus-stats/files/nimbus.json
deleted file mode 100644
index 2adc5f3..0000000
--- a/ansible/roles/nimbus-stats/files/nimbus.json
+++ /dev/null
@@ -1,674 +0,0 @@
-{
-    "master-01.do-ams3.nimbus.test": {
-        "docker/beacon-node-rlpx-testnet0-0": {
-            "Fork chosen": {
-                "lvl": "INF",
-                "ts": "2019-04-17 15:52:15+00:00",
-                "msg": "Fork chosen",
-                "tid": 1,
-                "newHeadBlockRoot": "AC705460",
-                "newHeadEpoch": 912,
-                "newHeadSlot": 14601
-            },
-            "Attestation received": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:55:57+00:00",
-                "msg": "Attestation received",
-                "tid": 1,
-                "attestationData": {
-                    "slot": 14609,
-                    "beacon_block_root": "01E1CB8E",
-                    "source_epoch": 195,
-                    "target_root": "01E1CB8E",
-                    "source_root": "C8D2A0BE",
-                    "shard": 1,
-                    "previous_crosslink_epoch": 501,
-                    "previous_crosslink_data_root": "00000000",
-                    "crosslink_data_root": "00000000"
-                },
-                "signature": "b1615efd"
-            },
-            "Slot start": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:52:20+00:00",
-                "msg": "Slot start",
-                "tid": 1,
-                "lastSlot": 14603,
-                "scheduledSlot": 14604,
-                "slot": 14604
-            }
-        },
-        "docker/beacon-node-rlpx-testnet1-2": {
-            "Fork chosen": {
-                "lvl": "INF",
-                "ts": "2019-04-17 15:51:45+00:00",
-                "msg": "Fork chosen",
-                "tid": 1,
-                "newHeadBlockRoot": "DF799E87",
-                "newHeadEpoch": 0,
-                "newHeadSlot": 0
-            },
-            "Slot start": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:52:00+00:00",
-                "msg": "Slot start",
-                "tid": 1,
-                "lastSlot": 18142,
-                "scheduledSlot": 18143,
-                "slot": 18143
-            }
-        },
-        "docker/beacon-node-rlpx-testnet1-4": {
-            "Fork chosen": {
-                "lvl": "INF",
-                "ts": "2019-04-17 15:51:45+00:00",
-                "msg": "Fork chosen",
-                "tid": 1,
-                "newHeadBlockRoot": "DF799E87",
-                "newHeadEpoch": 0,
-                "newHeadSlot": 0
-            },
-            "Slot start": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:52:00+00:00",
-                "msg": "Slot start",
-                "tid": 1,
-                "lastSlot": 18142,
-                "scheduledSlot": 18143,
-                "slot": 18143
-            }
-        },
-        "docker/beacon-node-rlpx-testnet1-0": {
-            "Fork chosen": {
-                "lvl": "INF",
-                "ts": "2019-04-17 15:52:12+00:00",
-                "msg": "Fork chosen",
-                "tid": 1,
-                "newHeadBlockRoot": "1CDC4A78",
-                "newHeadEpoch": 1132,
-                "newHeadSlot": 18121
-            },
-            "Attestation received": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:52:14+00:00",
-                "msg": "Attestation received",
-                "tid": 1,
-                "attestationData": {
-                    "slot": 18142,
-                    "beacon_block_root": "05C1AFB5",
-                    "source_epoch": 0,
-                    "target_root": "05C1AFB5",
-                    "source_root": "00000000",
-                    "shard": 14,
-                    "previous_crosslink_epoch": 277,
-                    "previous_crosslink_data_root": "00000000",
-                    "crosslink_data_root": "00000000"
-                },
-                "signature": "ae9389dd"
-            },
-            "Slot start": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:52:12+00:00",
-                "msg": "Slot start",
-                "tid": 1,
-                "lastSlot": 18142,
-                "scheduledSlot": 18143,
-                "slot": 18143
-            }
-        },
-        "docker/beacon-node-rlpx-testnet1-3": {
-            "Fork chosen": {
-                "lvl": "INF",
-                "ts": "2019-04-17 15:51:45+00:00",
-                "msg": "Fork chosen",
-                "tid": 1,
-                "newHeadBlockRoot": "DF799E87",
-                "newHeadEpoch": 0,
-                "newHeadSlot": 0
-            },
-            "Slot start": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:52:00+00:00",
-                "msg": "Slot start",
-                "tid": 1,
-                "lastSlot": 18142,
-                "scheduledSlot": 18143,
-                "slot": 18143
-            }
-        },
-        "docker/beacon-node-rlpx-testnet0-1": {
-            "Fork chosen": {
-                "lvl": "INF",
-                "ts": "2019-04-17 15:51:58+00:00",
-                "msg": "Fork chosen",
-                "tid": 1,
-                "newHeadBlockRoot": "0F3431DE",
-                "newHeadEpoch": 912,
-                "newHeadSlot": 14602
-            },
-            "Slot start": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:52:04+00:00",
-                "msg": "Slot start",
-                "tid": 1,
-                "lastSlot": 14603,
-                "scheduledSlot": 14604,
-                "slot": 14604
-            }
-        },
-        "docker/beacon-node-rlpx-testnet1-1": {
-            "Fork chosen": {
-                "lvl": "INF",
-                "ts": "2019-04-17 15:51:45+00:00",
-                "msg": "Fork chosen",
-                "tid": 1,
-                "newHeadBlockRoot": "05C1AFB5",
-                "newHeadEpoch": 1132,
-                "newHeadSlot": 18125
-            },
-            "Attestation received": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:51:45+00:00",
-                "msg": "Attestation received",
-                "tid": 1,
-                "attestationData": {
-                    "slot": 18142,
-                    "beacon_block_root": "05C1AFB5",
-                    "source_epoch": 0,
-                    "target_root": "05C1AFB5",
-                    "source_root": "00000000",
-                    "shard": 14,
-                    "previous_crosslink_epoch": 277,
-                    "previous_crosslink_data_root": "00000000",
-                    "crosslink_data_root": "00000000"
-                },
-                "signature": "ae9389dd"
-            },
-            "Slot start": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:52:00+00:00",
-                "msg": "Slot start",
-                "tid": 1,
-                "lastSlot": 18142,
-                "scheduledSlot": 18143,
-                "slot": 18143
-            }
-        }
-    },
-    "node-09.do-ams3.nimbus.test": {
-        "docker/beacon-node-rlpx-testnet1-0": {
-            "Fork chosen": {
-                "lvl": "INF",
-                "ts": "2019-04-17 15:51:45+00:00",
-                "msg": "Fork chosen",
-                "tid": 1,
-                "newHeadBlockRoot": "BE458F0F",
-                "newHeadEpoch": 422,
-                "newHeadSlot": 6764
-            },
-            "Attestation received": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:54:33+00:00",
-                "msg": "Attestation received",
-                "tid": 1,
-                "attestationData": {
-                    "slot": 18141,
-                    "beacon_block_root": "05C1AFB5",
-                    "source_epoch": 0,
-                    "target_root": "05C1AFB5",
-                    "source_root": "00000000",
-                    "shard": 13,
-                    "previous_crosslink_epoch": 277,
-                    "previous_crosslink_data_root": "00000000",
-                    "crosslink_data_root": "00000000"
-                },
-                "signature": "a1712fbe"
-            },
-            "Slot start": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:54:22+00:00",
-                "msg": "Slot start",
-                "tid": 1,
-                "lastSlot": 18142,
-                "scheduledSlot": 18143,
-                "slot": 18147
-            }
-        },
-        "docker/beacon-node-rlpx-testnet1-1": {
-            "Fork chosen": {
-                "lvl": "INF",
-                "ts": "2019-04-17 16:04:44+00:00",
-                "msg": "Fork chosen",
-                "tid": 1,
-                "newHeadBlockRoot": "53431DE8",
-                "newHeadEpoch": 1132,
-                "newHeadSlot": 18126
-            },
-            "Attestation received": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 16:04:48+00:00",
-                "msg": "Attestation received",
-                "tid": 1,
-                "attestationData": {
-                    "slot": 18130,
-                    "beacon_block_root": "3E9E73CD",
-                    "source_epoch": 0,
-                    "target_root": "3E9E73CD",
-                    "source_root": "00000000",
-                    "shard": 2,
-                    "previous_crosslink_epoch": 278,
-                    "previous_crosslink_data_root": "00000000",
-                    "crosslink_data_root": "00000000"
-                },
-                "signature": "8c8f8c31"
-            },
-            "Slot start": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 16:04:44+00:00",
-                "msg": "Slot start",
-                "tid": 1,
-                "lastSlot": 18134,
-                "scheduledSlot": 18135,
-                "slot": 18168
-            }
-        }
-    },
-    "node-05.do-ams3.nimbus.test": {
-        "docker/beacon-node-rlpx-testnet1-0": {
-            "Fork chosen": {
-                "lvl": "INF",
-                "ts": "2019-04-17 15:51:45+00:00",
-                "msg": "Fork chosen",
-                "tid": 1,
-                "newHeadBlockRoot": "3E9E73CD",
-                "newHeadEpoch": 1132,
-                "newHeadSlot": 18117
-            },
-            "Attestation received": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:51:45+00:00",
-                "msg": "Attestation received",
-                "tid": 1,
-                "attestationData": {
-                    "slot": 18142,
-                    "beacon_block_root": "05C1AFB5",
-                    "source_epoch": 0,
-                    "target_root": "05C1AFB5",
-                    "source_root": "00000000",
-                    "shard": 14,
-                    "previous_crosslink_epoch": 277,
-                    "previous_crosslink_data_root": "00000000",
-                    "crosslink_data_root": "00000000"
-                },
-                "signature": "ae9389dd"
-            },
-            "Slot start": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:52:00+00:00",
-                "msg": "Slot start",
-                "tid": 1,
-                "lastSlot": 18142,
-                "scheduledSlot": 18143,
-                "slot": 18143
-            }
-        },
-        "docker/beacon-node-rlpx-testnet1-1": {
-            "Fork chosen": {
-                "lvl": "INF",
-                "ts": "2019-04-17 15:51:45+00:00",
-                "msg": "Fork chosen",
-                "tid": 1,
-                "newHeadBlockRoot": "E3506242",
-                "newHeadEpoch": 269,
-                "newHeadSlot": 4304
-            },
-            "Slot start": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:52:00+00:00",
-                "msg": "Slot start",
-                "tid": 1,
-                "lastSlot": 18142,
-                "scheduledSlot": 18143,
-                "slot": 18143
-            }
-        }
-    },
-    "node-07.do-ams3.nimbus.test": {
-        "docker/beacon-node-rlpx-testnet1-1": {
-            "Fork chosen": {
-                "lvl": "INF",
-                "ts": "2019-04-17 15:51:45+00:00",
-                "msg": "Fork chosen",
-                "tid": 1,
-                "newHeadBlockRoot": "5541D16E",
-                "newHeadEpoch": 1132,
-                "newHeadSlot": 18124
-            },
-            "Slot start": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:52:00+00:00",
-                "msg": "Slot start",
-                "tid": 1,
-                "lastSlot": 18142,
-                "scheduledSlot": 18143,
-                "slot": 18143
-            }
-        },
-        "docker/beacon-node-rlpx-testnet1-0": {
-            "Fork chosen": {
-                "lvl": "INF",
-                "ts": "2019-04-17 15:51:45+00:00",
-                "msg": "Fork chosen",
-                "tid": 1,
-                "newHeadBlockRoot": "C2D268AB",
-                "newHeadEpoch": 1132,
-                "newHeadSlot": 18112
-            },
-            "Attestation received": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:51:45+00:00",
-                "msg": "Attestation received",
-                "tid": 1,
-                "attestationData": {
-                    "slot": 18142,
-                    "beacon_block_root": "05C1AFB5",
-                    "source_epoch": 0,
-                    "target_root": "05C1AFB5",
-                    "source_root": "00000000",
-                    "shard": 14,
-                    "previous_crosslink_epoch": 277,
-                    "previous_crosslink_data_root": "00000000",
-                    "crosslink_data_root": "00000000"
-                },
-                "signature": "ae9389dd"
-            },
-            "Slot start": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:52:00+00:00",
-                "msg": "Slot start",
-                "tid": 1,
-                "lastSlot": 18142,
-                "scheduledSlot": 18143,
-                "slot": 18143
-            }
-        }
-    },
-    "node-03.do-ams3.nimbus.test": {
-        "docker/beacon-node-rlpx-testnet1-1": {
-            "Fork chosen": {
-                "lvl": "INF",
-                "ts": "2019-04-17 15:51:45+00:00",
-                "msg": "Fork chosen",
-                "tid": 1,
-                "newHeadBlockRoot": "463ECDDD",
-                "newHeadEpoch": 422,
-                "newHeadSlot": 6765
-            },
-            "Slot start": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:52:00+00:00",
-                "msg": "Slot start",
-                "tid": 1,
-                "lastSlot": 18142,
-                "scheduledSlot": 18143,
-                "slot": 18143
-            }
-        },
-        "docker/beacon-node-rlpx-testnet1-0": {
-            "Fork chosen": {
-                "lvl": "INF",
-                "ts": "2019-04-17 16:17:33+00:00",
-                "msg": "Fork chosen",
-                "tid": 1,
-                "newHeadBlockRoot": "EBC78610",
-                "newHeadEpoch": 562,
-                "newHeadSlot": 9001
-            },
-            "Attestation received": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 16:17:17+00:00",
-                "msg": "Attestation received",
-                "tid": 1,
-                "attestationData": {
-                    "slot": 18193,
-                    "beacon_block_root": "ED29F25E",
-                    "source_epoch": 0,
-                    "target_root": "ED29F25E",
-                    "source_root": "00000000",
-                    "shard": 1,
-                    "previous_crosslink_epoch": 0,
-                    "previous_crosslink_data_root": "00000000",
-                    "crosslink_data_root": "00000000"
-                },
-                "signature": "ac2c6ced"
-            },
-            "Slot start": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 16:17:33+00:00",
-                "msg": "Slot start",
-                "tid": 1,
-                "lastSlot": 18193,
-                "scheduledSlot": 18194,
-                "slot": 18194
-            }
-        }
-    },
-    "node-08.do-ams3.nimbus.test": {
-        "docker/beacon-node-rlpx-testnet1-1": {
-            "Fork chosen": {
-                "lvl": "INF",
-                "ts": "2019-04-17 15:51:45+00:00",
-                "msg": "Fork chosen",
-                "tid": 1,
-                "newHeadBlockRoot": "2B28030D",
-                "newHeadEpoch": 1133,
-                "newHeadSlot": 18130
-            },
-            "Attestation received": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:52:12+00:00",
-                "msg": "Attestation received",
-                "tid": 1,
-                "attestationData": {
-                    "slot": 18141,
-                    "beacon_block_root": "05C1AFB5",
-                    "source_epoch": 0,
-                    "target_root": "05C1AFB5",
-                    "source_root": "00000000",
-                    "shard": 13,
-                    "previous_crosslink_epoch": 277,
-                    "previous_crosslink_data_root": "00000000",
-                    "crosslink_data_root": "00000000"
-                },
-                "signature": "a1712fbe"
-            },
-            "Slot start": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:52:00+00:00",
-                "msg": "Slot start",
-                "tid": 1,
-                "lastSlot": 18142,
-                "scheduledSlot": 18143,
-                "slot": 18143
-            }
-        },
-        "docker/beacon-node-rlpx-testnet1-0": {
-            "Fork chosen": {
-                "lvl": "INF",
-                "ts": "2019-04-17 15:51:45+00:00",
-                "msg": "Fork chosen",
-                "tid": 1,
-                "newHeadBlockRoot": "813B9C76",
-                "newHeadEpoch": 1132,
-                "newHeadSlot": 18127
-            },
-            "Attestation received": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:52:12+00:00",
-                "msg": "Attestation received",
-                "tid": 1,
-                "attestationData": {
-                    "slot": 18141,
-                    "beacon_block_root": "05C1AFB5",
-                    "source_epoch": 0,
-                    "target_root": "05C1AFB5",
-                    "source_root": "00000000",
-                    "shard": 13,
-                    "previous_crosslink_epoch": 277,
-                    "previous_crosslink_data_root": "00000000",
-                    "crosslink_data_root": "00000000"
-                },
-                "signature": "a1712fbe"
-            },
-            "Slot start": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:52:00+00:00",
-                "msg": "Slot start",
-                "tid": 1,
-                "lastSlot": 18142,
-                "scheduledSlot": 18143,
-                "slot": 18143
-            }
-        }
-    },
-    "node-02.do-ams3.nimbus.test": {
-        "docker/beacon-node-rlpx-testnet1-1": {
-            "Fork chosen": {
-                "lvl": "INF",
-                "ts": "2019-04-17 15:51:45+00:00",
-                "msg": "Fork chosen",
-                "tid": 1,
-                "newHeadBlockRoot": "3CB0BF7F",
-                "newHeadEpoch": 1133,
-                "newHeadSlot": 18137
-            },
-            "Attestation received": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:52:12+00:00",
-                "msg": "Attestation received",
-                "tid": 1,
-                "attestationData": {
-                    "slot": 18141,
-                    "beacon_block_root": "05C1AFB5",
-                    "source_epoch": 0,
-                    "target_root": "05C1AFB5",
-                    "source_root": "00000000",
-                    "shard": 13,
-                    "previous_crosslink_epoch": 277,
-                    "previous_crosslink_data_root": "00000000",
-                    "crosslink_data_root": "00000000"
-                },
-                "signature": "b42d7df8"
-            },
-            "Slot start": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:52:00+00:00",
-                "msg": "Slot start",
-                "tid": 1,
-                "lastSlot": 18142,
-                "scheduledSlot": 18143,
-                "slot": 18143
-            }
-        },
-        "docker/beacon-node-rlpx-testnet1-0": {
-            "Fork chosen": {
-                "lvl": "INF",
-                "ts": "2019-04-17 15:51:45+00:00",
-                "msg": "Fork chosen",
-                "tid": 1,
-                "newHeadBlockRoot": "E00C2167",
-                "newHeadEpoch": 1131,
-                "newHeadSlot": 18106
-            },
-            "Attestation received": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 16:17:33+00:00",
-                "msg": "Attestation received",
-                "tid": 1,
-                "attestationData": {
-                    "slot": 18193,
-                    "beacon_block_root": "ED29F25E",
-                    "source_epoch": 0,
-                    "target_root": "ED29F25E",
-                    "source_root": "00000000",
-                    "shard": 1,
-                    "previous_crosslink_epoch": 0,
-                    "previous_crosslink_data_root": "00000000",
-                    "crosslink_data_root": "00000000"
-                },
-                "signature": "ac2c6ced"
-            },
-            "Slot start": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:52:00+00:00",
-                "msg": "Slot start",
-                "tid": 1,
-                "lastSlot": 18142,
-                "scheduledSlot": 18143,
-                "slot": 18143
-            }
-        }
-    },
-    "node-01.do-ams3.nimbus.test": {
-        "docker/beacon-node-rlpx-testnet1-0": {
-            "Fork chosen": {
-                "lvl": "INF",
-                "ts": "2019-04-17 15:51:45+00:00",
-                "msg": "Fork chosen",
-                "tid": 1,
-                "newHeadBlockRoot": "6722198F",
-                "newHeadEpoch": 1132,
-                "newHeadSlot": 18114
-            },
-            "Attestation received": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:52:16+00:00",
-                "msg": "Attestation received",
-                "tid": 1,
-                "attestationData": {
-                    "slot": 18143,
-                    "beacon_block_root": "1CDC4A78",
-                    "source_epoch": 0,
-                    "target_root": "1CDC4A78",
-                    "source_root": "00000000",
-                    "shard": 15,
-                    "previous_crosslink_epoch": 277,
-                    "previous_crosslink_data_root": "00000000",
-                    "crosslink_data_root": "00000000"
-                },
-                "signature": "9701401a"
-            },
-            "Slot start": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:52:00+00:00",
-                "msg": "Slot start",
-                "tid": 1,
-                "lastSlot": 18142,
-                "scheduledSlot": 18143,
-                "slot": 18143
-            }
-        }
-    },
-    "node-06.do-ams3.nimbus.test": {
-        "docker/beacon-node-rlpx-testnet1-1": {
-            "Fork chosen": {
-                "lvl": "INF",
-                "ts": "2019-04-17 15:52:11+00:00",
-                "msg": "Fork chosen",
-                "tid": 1,
-                "newHeadBlockRoot": "3ADBB6BA",
-                "newHeadEpoch": 1133,
-                "newHeadSlot": 18129
-            },
-            "Slot start": {
-                "lvl": "DBG",
-                "ts": "2019-04-17 15:52:13+00:00",
-                "msg": "Slot start",
-                "tid": 1,
-                "lastSlot": 18140,
-                "scheduledSlot": 18141,
-                "slot": 18143
-            }
-        }
-    }
-}
\ No newline at end of file