diff --git a/libexec/mcd/conf/ilks b/libexec/mcd/conf/ilks
index feeb2bc..1ec7f26 100644
--- a/libexec/mcd/conf/ilks
+++ b/libexec/mcd/conf/ilks
@@ -1,10 +1,4 @@
 ILK   | GEM  | DESC
       |      |
 ETH-A | WETH | Ethereum
-ETH-B | WETH | Ethereum
-ETH-C | WETH | Ethereum
-REP-A | REP  | Augur
-ZRX-A | ZRX  | 0x
-OMG-A | OMG  | OmiseGO
 BAT-A | BAT  | Basic Attention Token
-DGD-A | DGD  | Digix
diff --git a/libexec/mcd/conf/mainnet.json b/libexec/mcd/conf/mainnet.json
index 0967ef4..32bf813 100644
--- a/libexec/mcd/conf/mainnet.json
+++ b/libexec/mcd/conf/mainnet.json
@@ -1 +1,49 @@
-{}
+{
+  "DEPLOYER": "0xdDb108893104dE4E1C6d0E47c42237dB4E617ACc",
+  "MULTICALL": "0x5e227ad1969ea493b43f840cff78d08a6fc17796",
+  "FAUCET": "0x0000000000000000000000000000000000000000",
+  "MCD_DEPLOY": "0xbaa65281c2fa2baacb2cb550ba051525a480d3f4",
+  "MCD_GOV": "0x9f8f72aa9304c8b593d555f12ef6589cc3a579a2",
+  "MCD_ADM": "0x9eF05f7F6deB616fd37aC3c959a2dDD25A54E4F5",
+  "MCD_VAT": "0x35d1b3f3d7966a1dfe207aa4514c12a259a0492b",
+  "MCD_JUG": "0x19c0976f590d67707e62397c87829d896dc0f1f1",
+  "MCD_CAT": "0x78f2c2af65126834c51822f56be0d7469d7a523e",
+  "MCD_VOW": "0xa950524441892a31ebddf91d3ceefa04bf454466",
+  "MCD_JOIN_DAI": "0x9759a6ac90977b93b58547b4a71c78317f391a28",
+  "MCD_FLAP": "0xdfe0fb1be2a52cdbf8fb962d5701d7fd0902db9f",
+  "MCD_FLOP": "0xbe00fe8dfd9c079f1e5f5ad7ae9a3ad2c571fcac",
+  "MCD_PAUSE": "0xbe286431454714f511008713973d3b053a2d38f3",
+  "MCD_PAUSE_PROXY": "0xbe8e3e3618f7474f8cb1d074a26affef007e98fb",
+  "MCD_GOV_ACTIONS": "0x4f5f0933158569c026d617337614d00ee6589b6e",
+  "MCD_DAI": "0x6b175474e89094c44da98b954eedeac495271d0f",
+  "MCD_SPOT": "0x65c79fcb50ca1594b025960e539ed7a9a6d434a3",
+  "MCD_POT": "0x197e90f9fad81970ba7976f33cbd77088e5d7cf7",
+  "MCD_END": "0xab14d3ce3f733cacb76ec2abe7d2fcb00c99f3d5",
+  "MCD_ESM": "0x0581a0abe32aae9b5f0f68defab77c6759100085",
+  "PROXY_ACTIONS": "0x82ecd135dce65fbc6dbdd0e4237e0af93ffd5038",
+  "PROXY_ACTIONS_END": "0x069b2fb501b6f16d1f5fe245b16f6993808f1008",
+  "PROXY_ACTIONS_DSR": "0x07ee93aeea0a36fff2a9b95dd22bd6049ee54f26",
+  "CDP_MANAGER": "0x5ef30b9986345249bc32d8928b7ee64de9435e39",
+  "GET_CDPS": "0x36a724bd100c39f0ea4d3a20f7097ee01a8ff573",
+  "PROXY_FACTORY": "0xa26e15c895efc0616177b7c1e7270a4c7d51c997",
+  "PROXY_REGISTRY": "0x4678f0a6958e4d2bc4f1baf7bc52e8f3564f3fe4",
+  "ETH": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
+  "VAL_ETH": "0x81fe72b5a8d1a857d176c3e7d5bd2679a9b85763",
+  "PIP_ETH": "0x81fe72b5a8d1a857d176c3e7d5bd2679a9b85763",
+  "MCD_JOIN_ETH_A": "0x2f0b23f53734252bda2277357e97e1517d6b042a",
+  "MCD_FLIP_ETH_A": "0xd8a04f5412223f513dc55f839574430f5ec15531",
+  "BAT": "0x0d8775f648430679a709e98d2b0cb6250d2887ef",
+  "VAL_BAT": "0xb4eb54af9cc7882df0121d26c5b97e802915abe6",
+  "PIP_BAT": "0xb4eb54af9cc7882df0121d26c5b97e802915abe6",
+  "MCD_JOIN_BAT_A": "0x3d0b1912b66114d4096f48a8cee3a56c231772ca",
+  "MCD_FLIP_BAT_A": "0xaa745404d55f88c108a28c86abe7b5a1e7817c07",
+  "SAI": "0x89d24a6b4ccb1b6faa2625fe562bdd9a23260359",
+  "PIP_SAI": "0x54003dbf6ae6cba6ddae571ccdc34d834b44ab1e",
+  "MCD_JOIN_SAI": "0xad37fd42185ba63009177058208dd1be4b136e6b",
+  "MCD_FLIP_SAI": "0x5432b2f3c0dff95aa191c45e5cbd539e2820ae72",
+  "PROXY_PAUSE_ACTIONS": "0x6bda13d43b7edd6cafe1f70fb98b5d40f61a1370",
+  "PROXY_DEPLOYER": "0x1b93556ab8dccef01cd7823c617a6d340f53fb58",
+  "SAI_TUB": "0x448a5065aebb8e423f0896e6c5d525c040f59af3",
+  "MIGRATION": "0xc73e0383f3aff3215e6f04b0331d58cecf0ab849",
+  "MIGRATION_PROXY_ACTIONS": "0xe4b22d484958e582098a98229a24e8a43801b674"
+}
\ No newline at end of file