diff --git a/waku/waku_mix/protocol.nim b/waku/waku_mix/protocol.nim
index 8ee25073f..0e0d483e3 100644
--- a/waku/waku_mix/protocol.nim
+++ b/waku/waku_mix/protocol.nim
@@ -10,6 +10,7 @@ import
   libp2p/protocols/mix/mix_protocol,
   libp2p/protocols/mix/mix_metrics,
   libp2p/protocols/mix/delay_strategy,
+  libp2p/protocols/mix/delay,
   libp2p/[multiaddress, peerid, switch],
   libp2p/extended_peer_record,
   eth/common/keys
@@ -101,8 +102,7 @@ proc new*(
   procCall MixProtocol(mix).init(
     localMixNodeInfo,
     switch,
-    delayStrategy =
-      ExponentialDelayStrategy.new(meanDelayMs = 50, rng = crypto.newRng()),
+    delayStrategy = ExponentialDelayStrategy.new(rng = crypto.newRng()),
   )
 
   return ok(mix)
diff --git a/waku/waku_rendezvous/client.nim b/waku/waku_rendezvous/client.nim
index 09e789774..62c0de848 100644
--- a/waku/waku_rendezvous/client.nim
+++ b/waku/waku_rendezvous/client.nim
@@ -7,8 +7,7 @@ import
   chronicles,
   libp2p/protocols/rendezvous,
   libp2p/crypto/curve25519,
-  libp2p/switch,
-  libp2p/utils/semaphore
+  libp2p/switch
 
 import metrics except collect
 
diff --git a/waku/waku_rendezvous/protocol.nim b/waku/waku_rendezvous/protocol.nim
index 89433f533..0e9b0aa76 100644
--- a/waku/waku_rendezvous/protocol.nim
+++ b/waku/waku_rendezvous/protocol.nim
@@ -8,7 +8,6 @@ import
   stew/byteutils,
   libp2p/protocols/rendezvous,
   libp2p/protocols/rendezvous/protobuf,
-  libp2p/utils/semaphore,
   libp2p/utils/offsettedseq,
   libp2p/crypto/curve25519,
   libp2p/switch,