diff --git a/src/cryptocom/exchange/coins.py b/src/cryptocom/exchange/coins.py
index f4406ef..41c6ab1 100644
--- a/src/cryptocom/exchange/coins.py
+++ b/src/cryptocom/exchange/coins.py
@@ -36,7 +36,6 @@ BIFI = Coin("BIFI")
 BNT = Coin("BNT")
 BOND = Coin("BOND")
 BOSON = Coin("BOSON")
-BRZ = Coin("BRZ")
 BTC = Coin("BTC")
 C98 = Coin("C98")
 CELR = Coin("CELR")
@@ -170,7 +169,6 @@ RAD = Coin("RAD")
 RADAR = Coin("RADAR")
 RARE = Coin("RARE")
 RARI = Coin("RARI")
-RAY = Coin("RAY")
 REEF = Coin("REEF")
 REN = Coin("REN")
 REP = Coin("REP")
@@ -191,7 +189,6 @@ SNX = Coin("SNX")
 SOL = Coin("SOL")
 SPELL = Coin("SPELL")
 SPS = Coin("SPS")
-SRM = Coin("SRM")
 STORJ = Coin("STORJ")
 STRAX = Coin("STRAX")
 STX = Coin("STX")
diff --git a/src/cryptocom/exchange/pairs.py b/src/cryptocom/exchange/pairs.py
index ac38a7b..39a6be3 100644
--- a/src/cryptocom/exchange/pairs.py
+++ b/src/cryptocom/exchange/pairs.py
@@ -87,8 +87,6 @@ BOND_USD = Pair("BOND_USD", price_precision=4, quantity_precision=2)
 BOND_USDT = Pair("BOND_USDT", price_precision=4, quantity_precision=2)
 BOSON_USD = Pair("BOSON_USD", price_precision=5, quantity_precision=0)
 BOSON_USDT = Pair("BOSON_USDT", price_precision=5, quantity_precision=0)
-BRZ_USD = Pair("BRZ_USD", price_precision=5, quantity_precision=0)
-BRZ_USDT = Pair("BRZ_USDT", price_precision=5, quantity_precision=0)
 BTC_USD = Pair("BTC_USD", price_precision=2, quantity_precision=5)
 BTC_USDT = Pair("BTC_USDT", price_precision=2, quantity_precision=5)
 C98_USD = Pair("C98_USD", price_precision=5, quantity_precision=0)
@@ -399,8 +397,6 @@ RARE_USD = Pair("RARE_USD", price_precision=5, quantity_precision=0)
 RARE_USDT = Pair("RARE_USDT", price_precision=5, quantity_precision=0)
 RARI_USD = Pair("RARI_USD", price_precision=4, quantity_precision=1)
 RARI_USDT = Pair("RARI_USDT", price_precision=4, quantity_precision=1)
-RAY_USD = Pair("RAY_USD", price_precision=5, quantity_precision=1)
-RAY_USDT = Pair("RAY_USDT", price_precision=5, quantity_precision=1)
 REEF_USD = Pair("REEF_USD", price_precision=7, quantity_precision=0)
 REEF_USDT = Pair("REEF_USDT", price_precision=7, quantity_precision=0)
 REN_USD = Pair("REN_USD", price_precision=5, quantity_precision=0)
@@ -447,8 +443,6 @@ SPELL_USD = Pair("SPELL_USD", price_precision=7, quantity_precision=0)
 SPELL_USDT = Pair("SPELL_USDT", price_precision=7, quantity_precision=0)
 SPS_USD = Pair("SPS_USD", price_precision=6, quantity_precision=0)
 SPS_USDT = Pair("SPS_USDT", price_precision=6, quantity_precision=0)
-SRM_USD = Pair("SRM_USD", price_precision=5, quantity_precision=1)
-SRM_USDT = Pair("SRM_USDT", price_precision=5, quantity_precision=1)
 STORJ_USD = Pair("STORJ_USD", price_precision=5, quantity_precision=1)
 STORJ_USDT = Pair("STORJ_USDT", price_precision=5, quantity_precision=1)
 STRAX_USD = Pair("STRAX_USD", price_precision=5, quantity_precision=1)