diff --git a/libp2p/muxers/mplex/coder.nim b/libp2p/muxers/mplex/coder.nim
index c09fdd2bb..fc917b96d 100644
--- a/libp2p/muxers/mplex/coder.nim
+++ b/libp2p/muxers/mplex/coder.nim
@@ -40,7 +40,7 @@ type
 # https://github.com/libp2p/specs/tree/master/mplex#writing-to-a-stream
 const MaxMsgSize* = 1 shl 20 # 1mb
 
-proc newInvalidMplexMsgType*(): ref InvalidMplexMsgType =
+proc newInvalidMplexMsgType(): ref InvalidMplexMsgType =
   newException(InvalidMplexMsgType, "invalid message type")
 
 proc readMsg*(conn: Connection): Future[Msg] {.async, gcsafe.} =
diff --git a/libp2p/muxers/mplex/lpchannel.nim b/libp2p/muxers/mplex/lpchannel.nim
index aa611240e..91c54fb41 100644
--- a/libp2p/muxers/mplex/lpchannel.nim
+++ b/libp2p/muxers/mplex/lpchannel.nim
@@ -10,10 +10,9 @@
 {.push raises: [Defect].}
 
 import std/[oids, strformat]
-import chronos, chronicles, metrics
+import pkg/[chronos, chronicles, metrics, nimcrypto/utils]
 import ./coder,
        ../muxer,
-       nimcrypto/utils,
        ../../stream/[bufferstream, connection, streamseq],
        ../../peerinfo
 
diff --git a/libp2p/muxers/mplex/mplex.nim b/libp2p/muxers/mplex/mplex.nim
index 2d84ca21e..d56912d13 100644
--- a/libp2p/muxers/mplex/mplex.nim
+++ b/libp2p/muxers/mplex/mplex.nim
@@ -34,9 +34,8 @@ when defined(libp2p_expensive_metrics):
     "mplex channels", labels = ["initiator", "peer"])
 
 type
-  MplexError* = object of MuxerError
-  TooManyChannels* = object of MplexError
-  InvalidChannelIdError* = object of MplexError
+  TooManyChannels* = object of MuxerError
+  InvalidChannelIdError* = object of MuxerError
 
   Mplex* = ref object of Muxer
     channels: array[bool, Table[uint64, LPChannel]]
diff --git a/libp2p/stream/connection.nim b/libp2p/stream/connection.nim
index 67c446ff8..f06d9625b 100644
--- a/libp2p/stream/connection.nim
+++ b/libp2p/stream/connection.nim
@@ -13,9 +13,10 @@ import std/[hashes, oids, strformat]
 import chronicles, chronos, metrics
 import lpstream,
        ../multiaddress,
-       ../peerinfo
+       ../peerinfo,
+       ../errors
 
-export lpstream, peerinfo
+export lpstream, peerinfo, errors
 
 logScope:
   topics = "libp2p connection"