diff --git a/_config.yml b/_config.yml
index 496616e..da4ee3d 100644
--- a/_config.yml
+++ b/_config.yml
@@ -659,7 +659,7 @@ artalk:
 # --------------------------------------
 
 chat:
-  # Choose: chatra/tidio/crisp/knocket
+  # Choose: chatra/tidio/crisp
   # Leave it empty if you don't need chat
   use:
   # Chat Button [recommend]
@@ -680,10 +680,6 @@ tidio:
 crisp:
   website_id:
 
-# https://trtc.io/solutions/knocket
-knocket:
-  identifier:
-
 # --------------------------------------
 # Analysis
 # --------------------------------------
diff --git a/layout/includes/third-party/chat/index.pug b/layout/includes/third-party/chat/index.pug
index ace9b3b..dada453 100644
--- a/layout/includes/third-party/chat/index.pug
+++ b/layout/includes/third-party/chat/index.pug
@@ -4,6 +4,4 @@ case theme.chat.use
   when 'tidio'
     include ./tidio.pug
   when 'crisp'
-    include ./crisp.pug
-  when 'knocket'
-    include ./knocket.pug
\ No newline at end of file
+    include ./crisp.pug
\ No newline at end of file
diff --git a/layout/includes/third-party/chat/knocket.pug b/layout/includes/third-party/chat/knocket.pug
deleted file mode 100644
index 0f76439..0000000
--- a/layout/includes/third-party/chat/knocket.pug
+++ /dev/null
@@ -1,44 +0,0 @@
-//- Knocket live chat — https://trtc.io/solutions/knocket
-script.
-  (() => {
-    const id = '#{theme.knocket.identifier}'
-    if (!id) return
-
-    btf.getScript(`https://trtc.io/knocket-sdk/sdk.js?identifier=${id}`).then(() => {
-      const isChatBtn = !{theme.chat.rightside_button}
-      const isChatHideShow = !{theme.chat.button_hide_show}
-
-      const getWidget = () => document.getElementById('contact-widget-auto')
-
-      if (isChatBtn) {
-        const hide = () => { const w = getWidget(); if (w) w.style.display = 'none' }
-        const show = () => { const w = getWidget(); if (w) w.style.display = '' }
-
-        // Hide the native Knocket floating button
-        const observer = new MutationObserver(() => {
-          if (getWidget()) { hide(); observer.disconnect() }
-        })
-        observer.observe(document.body, { childList: true, subtree: true })
-        hide()
-
-        window.chatBtnFn = () => {
-          const w = getWidget()
-          if (!w) return
-          if (w.style.display === 'none') show()
-          else hide()
-        }
-
-        document.getElementById('chat-btn').style.display = 'block'
-      } else if (isChatHideShow) {
-        const observer = new MutationObserver(() => {
-          if (getWidget()) observer.disconnect()
-        })
-        observer.observe(document.body, { childList: true, subtree: true })
-
-        window.chatBtn = {
-          hide: () => { const w = getWidget(); if (w) w.style.display = 'none' },
-          show: () => { const w = getWidget(); if (w) w.style.display = '' }
-        }
-      }
-    })
-  })()
diff --git a/scripts/common/default_config.js b/scripts/common/default_config.js
index 5ae0cd4..ab3f01f 100644
--- a/scripts/common/default_config.js
+++ b/scripts/common/default_config.js
@@ -394,9 +394,6 @@ module.exports = {
   crisp: {
     website_id: null
   },
-  knocket: {
-    identifier: null
-  },
   google_tag_manager: {
     tag_id: null,
     domain: 'https://www.googletagmanager.com'