diff --git a/libcef/browser/alloy/alloy_browser_host_impl.cc b/libcef/browser/alloy/alloy_browser_host_impl.cc
index 0a67fa937..26262835c 100644
--- a/libcef/browser/alloy/alloy_browser_host_impl.cc
+++ b/libcef/browser/alloy/alloy_browser_host_impl.cc
@@ -901,29 +901,6 @@ void AlloyBrowserHostImpl::DragSourceEndedAt(
   }
 }
 
-void AlloyBrowserHostImpl::SetAudioMuted(bool mute) {
-  if (!CEF_CURRENTLY_ON_UIT()) {
-    CEF_POST_TASK(CEF_UIT, base::BindOnce(&AlloyBrowserHostImpl::SetAudioMuted,
-                                          this, mute));
-    return;
-  }
-  if (!web_contents()) {
-    return;
-  }
-  web_contents()->SetAudioMuted(mute);
-}
-
-bool AlloyBrowserHostImpl::IsAudioMuted() {
-  if (!CEF_CURRENTLY_ON_UIT()) {
-    DCHECK(false) << "called on invalid thread";
-    return false;
-  }
-  if (!web_contents()) {
-    return false;
-  }
-  return web_contents()->IsAudioMuted();
-}
-
 // content::WebContentsDelegate methods.
 // -----------------------------------------------------------------------------
 
diff --git a/libcef/browser/alloy/alloy_browser_host_impl.h b/libcef/browser/alloy/alloy_browser_host_impl.h
index a26361dc4..d75cdbc95 100644
--- a/libcef/browser/alloy/alloy_browser_host_impl.h
+++ b/libcef/browser/alloy/alloy_browser_host_impl.h
@@ -115,8 +115,6 @@ class AlloyBrowserHostImpl : public CefBrowserHostBase,
   void DragTargetDrop(const CefMouseEvent& event) override;
   void DragSourceSystemDragEnded() override;
   void DragSourceEndedAt(int x, int y, DragOperationsMask op) override;
-  void SetAudioMuted(bool mute) override;
-  bool IsAudioMuted() override;
   void SetAutoResizeEnabled(bool enabled,
                             const CefSize& min_size,
                             const CefSize& max_size) override;
diff --git a/libcef/browser/browser_host_base.cc b/libcef/browser/browser_host_base.cc
index 3f58c9ac8..6263fbab0 100644
--- a/libcef/browser/browser_host_base.cc
+++ b/libcef/browser/browser_host_base.cc
@@ -783,6 +783,28 @@ CefRefPtr<CefNavigationEntry> CefBrowserHostBase::GetVisibleNavigationEntry() {
   return new CefNavigationEntryImpl(entry);
 }
 
+void CefBrowserHostBase::SetAudioMuted(bool mute) {
+  if (!CEF_CURRENTLY_ON_UIT()) {
+    CEF_POST_TASK(CEF_UIT, base::BindOnce(&CefBrowserHostBase::SetAudioMuted,
+                                          this, mute));
+    return;
+  }
+  if (auto web_contents = GetWebContents()) {
+    web_contents->SetAudioMuted(mute);
+  }
+}
+
+bool CefBrowserHostBase::IsAudioMuted() {
+  if (!CEF_CURRENTLY_ON_UIT()) {
+    DCHECK(false) << "called on invalid thread";
+    return false;
+  }
+  if (auto web_contents = GetWebContents()) {
+    return web_contents->IsAudioMuted();
+  }
+  return false;
+}
+
 void CefBrowserHostBase::NotifyMoveOrResizeStarted() {
 #if BUILDFLAG(IS_WIN) || (BUILDFLAG(IS_POSIX) && !BUILDFLAG(IS_MAC))
   if (!CEF_CURRENTLY_ON_UIT()) {
diff --git a/libcef/browser/browser_host_base.h b/libcef/browser/browser_host_base.h
index c46e1972f..e2be22f79 100644
--- a/libcef/browser/browser_host_base.h
+++ b/libcef/browser/browser_host_base.h
@@ -262,6 +262,8 @@ class CefBrowserHostBase : public CefBrowserHost,
   void GetNavigationEntries(CefRefPtr<CefNavigationEntryVisitor> visitor,
                             bool current_only) override;
   CefRefPtr<CefNavigationEntry> GetVisibleNavigationEntry() override;
+  void SetAudioMuted(bool mute) override;
+  bool IsAudioMuted() override;
   void NotifyMoveOrResizeStarted() override;
   bool IsFullscreen() override;
   void ExitFullscreen(bool will_cause_resize) override;
diff --git a/libcef/browser/chrome/chrome_browser_host_impl.cc b/libcef/browser/chrome/chrome_browser_host_impl.cc
index 38f6ed1cc..1516a8773 100644
--- a/libcef/browser/chrome/chrome_browser_host_impl.cc
+++ b/libcef/browser/chrome/chrome_browser_host_impl.cc
@@ -327,15 +327,6 @@ void ChromeBrowserHostImpl::DragSourceEndedAt(int x,
   NOTIMPLEMENTED();
 }
 
-void ChromeBrowserHostImpl::SetAudioMuted(bool mute) {
-  NOTIMPLEMENTED();
-}
-
-bool ChromeBrowserHostImpl::IsAudioMuted() {
-  NOTIMPLEMENTED();
-  return false;
-}
-
 void ChromeBrowserHostImpl::SetAutoResizeEnabled(bool enabled,
                                                  const CefSize& min_size,
                                                  const CefSize& max_size) {
diff --git a/libcef/browser/chrome/chrome_browser_host_impl.h b/libcef/browser/chrome/chrome_browser_host_impl.h
index 8d039ef13..211eea8bc 100644
--- a/libcef/browser/chrome/chrome_browser_host_impl.h
+++ b/libcef/browser/chrome/chrome_browser_host_impl.h
@@ -109,8 +109,6 @@ class ChromeBrowserHostImpl : public CefBrowserHostBase {
   void DragTargetDrop(const CefMouseEvent& event) override;
   void DragSourceSystemDragEnded() override;
   void DragSourceEndedAt(int x, int y, DragOperationsMask op) override;
-  void SetAudioMuted(bool mute) override;
-  bool IsAudioMuted() override;
   void SetAutoResizeEnabled(bool enabled,
                             const CefSize& min_size,
                             const CefSize& max_size) override;