diff --git a/BattlePlace/WebApi/Types.hs b/BattlePlace/WebApi/Types.hs
--- a/BattlePlace/WebApi/Types.hs
+++ b/BattlePlace/WebApi/Types.hs
@@ -52,7 +52,6 @@
 import Data.String
 import qualified Data.Text as T
 import qualified Data.Text.Encoding as T
-import qualified Data.Text.Lazy.Encoding as TL
 import qualified Data.Vector as V
 import Data.Word
 import Foreign.Storable
@@ -231,8 +230,7 @@
 
 -- | Match session.
 data MatchSession = MatchSession
-	{ matchSession_sessionId :: !SessionId
-	, matchSession_sessionToken :: !(InternalToken SessionToken)
+	{ matchSession_sessionToken :: !(InternalToken SessionToken)
 	, matchSession_teams :: !(V.Vector MatchTeam)
 	, matchSession_teamIndex :: {-# UNPACK #-} !Int
 	, matchSession_mateIndex :: {-# UNPACK #-} !Int
@@ -246,8 +244,7 @@
 
 -- | Match server session.
 data MatchServerSession = MatchServerSession
-	{ matchServerSession_sessionId :: !SessionId
-	, matchServerSession_serverSessionToken :: !(InternalToken ServerSessionToken)
+	{ matchServerSession_serverSessionToken :: !(InternalToken ServerSessionToken)
 	, matchServerSession_teams :: !(V.Vector MatchTeam)
 	, matchServerSession_matchTag :: !MatchTag
 	, matchServerSession_serverTag :: !ServerTag
diff --git a/battleplace.cabal b/battleplace.cabal
--- a/battleplace.cabal
+++ b/battleplace.cabal
@@ -1,5 +1,5 @@
 name:                battleplace
-version:             0.1.0.7
+version:             0.1.0.8
 synopsis:            Core definitions for BattlePlace.io service
 description:         Core definitions for BattlePlace.io service
 license:             MIT