diff --git a/index.js b/index.js
index 0734c4d..8a5cc1f 100644
--- a/index.js
+++ b/index.js
@@ -305,7 +305,6 @@ module.exports = class Protomux {
 
     this._infos = new Map();
     this._notify = new Map();
-    this._slave = slave;
 
     this.stream.on("data", this._ondata.bind(this));
     this.stream.on("end", this._onend.bind(this));
@@ -357,67 +356,7 @@ module.exports = class Protomux {
     const info = this._infos.get(key);
     return info ? info.opened > 0 : false;
   }
-
-  _createChannel({
-    userData = null,
-    protocol,
-    aliases = [],
-    id = null,
-    unique = true,
-    handshake = null,
-    messages = [],
-    onopen = noop,
-    onclose = noop,
-    ondestroy = noop,
-  }) {
-    if (this.stream.destroyed) return null;
-
-    const info = this._get(protocol, id, aliases);
-    if (unique && info.opened > 0) return null;
-
-    if (info.incoming.length === 0) {
-      return new Channel(
-        this,
-        info,
-        userData,
-        protocol,
-        aliases,
-        id,
-        handshake,
-        messages,
-        onopen,
-        onclose,
-        ondestroy
-      );
-    }
-
-    this._remoteBacklog--;
-
-    const remoteId = info.incoming.shift();
-    const r = this._remote[remoteId - 1];
-    if (r === null) return null;
-
-    const session = new Channel(
-      this,
-      info,
-      userData,
-      protocol,
-      aliases,
-      id,
-      handshake,
-      messages,
-      onopen,
-      onclose,
-      ondestroy
-    );
-
-    session._remoteId = remoteId;
-    session._fullyOpenSoon();
-
-    return session;
-  }
-
-  async _createChannelAsync({
+  async createChannel({
     userData = null,
     protocol,
     aliases = [],
@@ -481,14 +420,6 @@ module.exports = class Protomux {
     return session;
   }
 
-  createChannel(options) {
-    if (this._slave) {
-      return this._createChannelAsync(options);
-    }
-
-    return this._createChannel(options);
-  }
-
   _pushBatch(localId, buffer) {
     if (this._batchState.end >= MAX_BATCH) {
       this._sendBatch(this._batch, this._batchState);
@@ -530,43 +461,7 @@ module.exports = class Protomux {
     this.stream.write(state.buffer);
   }
 
-  _get(protocol, id, aliases = []) {
-    if (this._slave) {
-      return this._getAsync(protocol, id, aliases);
-    }
-
-    return this.__get(protocol, id, aliases);
-  }
-
-  __get(protocol, id, aliases) {
-    const key = toKey(protocol, id);
-
-    let info = this._infos.get(key);
-    if (info) return info;
-
-    info = {
-      key,
-      protocol,
-      aliases: [],
-      id,
-      pairing: 0,
-      opened: 0,
-      incoming: [],
-      outgoing: [],
-    };
-    this._infos.set(key, info);
-
-    for (const alias of aliases) {
-      const key = toKey(alias, id);
-      info.aliases.push(key);
-
-      this._infos.set(key, info);
-    }
-
-    return info;
-  }
-
-  async _getAsync(protocol, id, aliases = []) {
+  async _get(protocol, id, aliases = []) {
     const key = toKey(protocol, id);
 
     await this.pullInfos();
@@ -904,33 +799,18 @@ module.exports = class Protomux {
   }
 
   async popFree(id) {
-    if (!this._slave) {
-      return;
-    }
     await this.stream.syncProtomux("popFree", id);
   }
   async pushFree(id) {
-    if (!this._slave) {
-      return;
-    }
     await this.stream.syncProtomux("pushFree", id);
   }
   async pushLocal(id) {
-    if (!this._slave) {
-      return;
-    }
     await this.stream.syncProtomux("pushLocal", id);
   }
   async pushRemote(id) {
-    if (!this._slave) {
-      return;
-    }
     await this.stream.syncProtomux("pushRemote", id);
   }
   async pushInfos() {
-    if (!this._slave) {
-      return;
-    }
     await this.stream.syncProtomux(
       "pushInfos",
       Array.from(this._infos.entries())
@@ -938,9 +818,6 @@ module.exports = class Protomux {
   }
 
   async pullLocal() {
-    if (!this._slave) {
-      return;
-    }
     const ids = await this.stream.syncProtomux("pullLocal");
 
     ids.forEach((item) => {
@@ -951,18 +828,12 @@ module.exports = class Protomux {
     });
   }
   async pullFree() {
-    if (!this._slave) {
-      return;
-    }
     const ids = await this.stream.syncProtomux("pullFree");
 
     this._free = Array.from(new Set([...this._free, ...ids]));
     this._free = this._free.filter((item) => item !== null);
   }
   async pullRemote() {
-    if (!this._slave) {
-      return;
-    }
     const ids = await this.stream.syncProtomux("pullRemote");
 
     ids.forEach((item) => {
@@ -973,10 +844,6 @@ module.exports = class Protomux {
     });
   }
   async pullInfos() {
-    if (!this._slave) {
-      return;
-    }
-
     const info = await this.stream.syncProtomux(
       "pullInfos",
       Array.from(this._infos.entries())