diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4662a84bc..a6c9952f7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -36,7 +36,6 @@ target_sources(
           deps/wide-string.cpp
           deps/wide-string.hpp
           obs-browser-plugin.cpp
-          obs-browser-source-audio.cpp
           obs-browser-source.cpp
           obs-browser-source.hpp)
 
diff --git a/browser-app.cpp b/browser-app.cpp
index 7a6c893a9..5d2c4dc76 100644
--- a/browser-app.cpp
+++ b/browser-app.cpp
@@ -122,14 +122,7 @@ void BrowserApp::OnContextCreated(CefRefPtr<CefBrowser> browser, CefRefPtr<CefFr
 		obsStudioObj->SetValue(name, func, V8_PROPERTY_ATTRIBUTE_NONE);
 	}
 
-#if !ENABLE_WASHIDDEN
-	int id = browser->GetIdentifier();
-	if (browserVis.find(id) != browserVis.end()) {
-		SetDocumentVisibility(browser, browserVis[id]);
-	}
-#else
 	UNUSED_PARAMETER(browser);
-#endif
 }
 
 void BrowserApp::ExecuteJSFunction(CefRefPtr<CefBrowser> browser, const char *functionName, CefV8ValueList arguments)
@@ -158,81 +151,6 @@ void BrowserApp::ExecuteJSFunction(CefRefPtr<CefBrowser> browser, const char *fu
 	}
 }
 
-#if !ENABLE_WASHIDDEN
-void BrowserApp::SetFrameDocumentVisibility(CefRefPtr<CefBrowser> browser, CefRefPtr<CefFrame> frame, bool isVisible)
-{
-	UNUSED_PARAMETER(browser);
-
-	CefRefPtr<CefV8Context> context = frame->GetV8Context();
-
-	context->Enter();
-
-	CefRefPtr<CefV8Value> globalObj = context->GetGlobal();
-
-	CefRefPtr<CefV8Value> documentObject = globalObj->GetValue("document");
-
-	if (!!documentObject) {
-		documentObject->SetValue("hidden", CefV8Value::CreateBool(!isVisible), V8_PROPERTY_ATTRIBUTE_READONLY);
-
-		documentObject->SetValue("visibilityState", CefV8Value::CreateString(isVisible ? "visible" : "hidden"),
-					 V8_PROPERTY_ATTRIBUTE_READONLY);
-
-		std::string script = "new CustomEvent('visibilitychange', {});";
-
-		CefRefPtr<CefV8Value> returnValue;
-		CefRefPtr<CefV8Exception> exception;
-
-		/* Create the CustomEvent object
-		 * We have to use eval to invoke the new operator */
-		bool success = context->Eval(script, frame->GetURL(), 0, returnValue, exception);
-
-		if (success) {
-			CefV8ValueList arguments;
-			arguments.push_back(returnValue);
-
-			CefRefPtr<CefV8Value> dispatchEvent = documentObject->GetValue("dispatchEvent");
-
-			/* Dispatch visibilitychange event on the document
-			 * object */
-			dispatchEvent->ExecuteFunction(documentObject, arguments);
-		}
-	}
-
-	context->Exit();
-}
-
-void BrowserApp::SetDocumentVisibility(CefRefPtr<CefBrowser> browser, bool isVisible)
-{
-	/* This method might be called before OnContextCreated
-	 * call is made. We'll save the requested visibility
-	 * state here, and use it later in OnContextCreated to
-	 * set initial page visibility state. */
-	browserVis[browser->GetIdentifier()] = isVisible;
-
-	std::vector<int64> frameIdentifiers;
-	/* Set visibility state for every frame in the browser
-	 *
-	 * According to the Page Visibility API documentation:
-	 * https://developer.mozilla.org/en-US/docs/Web/API/Page_Visibility_API
-	 *
-	 * "Visibility states of an <iframe> are the same as
-	 * the parent document. Hiding an <iframe> using CSS
-	 * properties (such as display: none;) doesn't trigger
-	 * visibility events or change the state of the document
-	 * contained within the frame."
-	 *
-	 * Thus, we set the same visibility state for every frame of the browser.
-	 */
-	browser->GetFrameIdentifiers(frameIdentifiers);
-
-	for (int64 frameId : frameIdentifiers) {
-		CefRefPtr<CefFrame> frame = browser->GetFrame(frameId);
-
-		SetFrameDocumentVisibility(browser, frame, isVisible);
-	}
-}
-#endif
-
 CefRefPtr<CefV8Value> CefValueToCefV8Value(CefRefPtr<CefValue> value)
 {
 	CefRefPtr<CefV8Value> result;
@@ -299,10 +217,6 @@ bool BrowserApp::OnProcessMessageReceived(CefRefPtr<CefBrowser> browser, CefRefP
 
 		ExecuteJSFunction(browser, "onVisibilityChange", arguments);
 
-#if !ENABLE_WASHIDDEN
-		SetDocumentVisibility(browser, args->GetBool(0));
-#endif
-
 	} else if (message->GetName() == "Active") {
 		CefV8ValueList arguments;
 		arguments.push_back(CefV8Value::CreateBool(args->GetBool(0)));
diff --git a/browser-app.hpp b/browser-app.hpp
index 57d2b84ca..b25d9accd 100644
--- a/browser-app.hpp
+++ b/browser-app.hpp
@@ -106,12 +106,5 @@ class BrowserApp : public CefApp, public CefRenderProcessHandler, public CefBrow
 	QTimer frameTimer;
 #endif
 
-#if !ENABLE_WASHIDDEN
-	std::unordered_map<int, bool> browserVis;
-
-	void SetFrameDocumentVisibility(CefRefPtr<CefBrowser> browser, CefRefPtr<CefFrame> frame, bool isVisible);
-	void SetDocumentVisibility(CefRefPtr<CefBrowser> browser, bool isVisible);
-#endif
-
 	IMPLEMENT_REFCOUNTING(BrowserApp);
 };
diff --git a/browser-client.cpp b/browser-client.cpp
index 9b334b476..bf7baada9 100644
--- a/browser-client.cpp
+++ b/browser-client.cpp
@@ -71,7 +71,6 @@ CefRefPtr<CefAudioHandler> BrowserClient::GetAudioHandler()
 	return reroute_audio ? this : nullptr;
 }
 
-#if CHROME_VERSION_BUILD >= 4638
 CefRefPtr<CefRequestHandler> BrowserClient::GetRequestHandler()
 {
 	return this;
@@ -120,7 +119,6 @@ CefResourceRequestHandler::ReturnValue BrowserClient::OnBeforeResourceLoad(CefRe
 {
 	return RV_CONTINUE;
 }
-#endif
 
 bool BrowserClient::OnBeforePopup(CefRefPtr<CefBrowser>, CefRefPtr<CefFrame>,
 #if CHROME_VERSION_BUILD >= 6834
@@ -535,7 +533,6 @@ static speaker_layout GetSpeakerLayout(CefAudioHandler::ChannelLayout cefLayout)
 	}
 }
 
-#if CHROME_VERSION_BUILD >= 4103
 void BrowserClient::OnAudioStreamStarted(CefRefPtr<CefBrowser> browser, const CefAudioParameters &params_,
 					 int channels_)
 {
@@ -608,80 +605,6 @@ bool BrowserClient::GetAudioParameters(CefRefPtr<CefBrowser> browser, CefAudioPa
 	params.frames_per_buffer = kFramesPerBuffer;
 	return true;
 }
-#elif CHROME_VERSION_BUILD < 4103
-void BrowserClient::OnAudioStreamStarted(CefRefPtr<CefBrowser> browser, int id, int, ChannelLayout channel_layout,
-					 int sample_rate, int)
-{
-	UNUSED_PARAMETER(browser);
-	if (!valid()) {
-		return;
-	}
-
-	AudioStream &stream = bs->audio_streams[id];
-	if (!stream.source) {
-		stream.source = obs_source_create_private("audio_line", nullptr, nullptr);
-
-		obs_source_add_active_child(bs->source, stream.source);
-
-		std::lock_guard<std::mutex> lock(bs->audio_sources_mutex);
-		bs->audio_sources.push_back(stream.source);
-	}
-
-	stream.speakers = GetSpeakerLayout(channel_layout);
-	stream.channels = get_audio_channels(stream.speakers);
-	stream.sample_rate = sample_rate;
-}
-
-void BrowserClient::OnAudioStreamPacket(CefRefPtr<CefBrowser> browser, int id, const float **data, int frames,
-					int64_t pts)
-{
-	UNUSED_PARAMETER(browser);
-	if (!valid()) {
-		return;
-	}
-
-	AudioStream &stream = bs->audio_streams[id];
-	struct obs_source_audio audio = {};
-
-	const uint8_t **pcm = (const uint8_t **)data;
-	for (int i = 0; i < stream.channels; i++)
-		audio.data[i] = pcm[i];
-
-	audio.samples_per_sec = stream.sample_rate;
-	audio.frames = frames;
-	audio.format = AUDIO_FORMAT_FLOAT_PLANAR;
-	audio.speakers = stream.speakers;
-	audio.timestamp = (uint64_t)pts * 1000000LLU;
-
-	obs_source_output_audio(stream.source, &audio);
-}
-
-void BrowserClient::OnAudioStreamStopped(CefRefPtr<CefBrowser> browser, int id)
-{
-	UNUSED_PARAMETER(browser);
-	if (!valid()) {
-		return;
-	}
-
-	auto pair = bs->audio_streams.find(id);
-	if (pair == bs->audio_streams.end()) {
-		return;
-	}
-
-	AudioStream &stream = pair->second;
-	{
-		std::lock_guard<std::mutex> lock(bs->audio_sources_mutex);
-		for (size_t i = 0; i < bs->audio_sources.size(); i++) {
-			obs_source_t *source = bs->audio_sources[i];
-			if (source == stream.source) {
-				bs->audio_sources.erase(bs->audio_sources.begin() + i);
-				break;
-			}
-		}
-	}
-	bs->audio_streams.erase(pair);
-}
-#endif
 
 void BrowserClient::OnLoadEnd(CefRefPtr<CefBrowser>, CefRefPtr<CefFrame> frame, int)
 {
diff --git a/browser-client.hpp b/browser-client.hpp
index bf21fdf55..cba0be2dd 100644
--- a/browser-client.hpp
+++ b/browser-client.hpp
@@ -29,9 +29,7 @@ class BrowserClient : public CefClient,
 		      public CefDisplayHandler,
 		      public CefLifeSpanHandler,
 		      public CefRequestHandler,
-#if CHROME_VERSION_BUILD >= 4638
 		      public CefResourceRequestHandler,
-#endif
 		      public CefContextMenuHandler,
 		      public CefRenderHandler,
 		      public CefAudioHandler,
@@ -50,12 +48,11 @@ class BrowserClient : public CefClient,
 	CefRect popupRect;
 	CefRect originalPopupRect;
 
-#if CHROME_VERSION_BUILD >= 4103
 	int sample_rate;
 	int channels;
 	ChannelLayout channel_layout;
 	int frames_per_buffer;
-#endif
+
 	inline BrowserClient(BrowserSource *bs_, bool sharing_avail, bool reroute_audio_,
 			     ControlLevel webpage_control_level_)
 		: sharing_available(sharing_avail),
@@ -70,9 +67,7 @@ class BrowserClient : public CefClient,
 	virtual CefRefPtr<CefRenderHandler> GetRenderHandler() override;
 	virtual CefRefPtr<CefDisplayHandler> GetDisplayHandler() override;
 	virtual CefRefPtr<CefLifeSpanHandler> GetLifeSpanHandler() override;
-#if CHROME_VERSION_BUILD >= 4638
 	virtual CefRefPtr<CefRequestHandler> GetRequestHandler() override;
-#endif
 	virtual CefRefPtr<CefContextMenuHandler> GetContextMenuHandler() override;
 	virtual CefRefPtr<CefAudioHandler> GetAudioHandler() override;
 
@@ -95,7 +90,7 @@ class BrowserClient : public CefClient,
 				   const CefPopupFeatures &popupFeatures, CefWindowInfo &windowInfo,
 				   CefRefPtr<CefClient> &client, CefBrowserSettings &settings,
 				   CefRefPtr<CefDictionaryValue> &extra_info, bool *no_javascript_access) override;
-#if CHROME_VERSION_BUILD >= 4638
+
 	/* CefRequestHandler */
 	virtual CefRefPtr<CefResourceRequestHandler>
 	GetResourceRequestHandler(CefRefPtr<CefBrowser> browser, CefRefPtr<CefFrame> frame,
@@ -113,7 +108,6 @@ class BrowserClient : public CefClient,
 									    CefRefPtr<CefFrame> frame,
 									    CefRefPtr<CefRequest> request,
 									    CefRefPtr<CefCallback> callback) override;
-#endif
 
 	/* CefContextMenuHandler */
 	virtual void OnBeforeContextMenu(CefRefPtr<CefBrowser> browser, CefRefPtr<CefFrame> frame,
@@ -137,7 +131,7 @@ class BrowserClient : public CefClient,
 					 const RectList &dirtyRects, void *shared_handle, bool new_texture) override;
 #endif
 #endif
-#if CHROME_VERSION_BUILD >= 4103
+
 	virtual void OnAudioStreamPacket(CefRefPtr<CefBrowser> browser, const float **data, int frames,
 					 int64_t pts) override;
 
@@ -148,16 +142,7 @@ class BrowserClient : public CefClient,
 	virtual void OnAudioStreamError(CefRefPtr<CefBrowser> browser, const CefString &message) override;
 	const int kFramesPerBuffer = 1024;
 	virtual bool GetAudioParameters(CefRefPtr<CefBrowser> browser, CefAudioParameters &params) override;
-#else
-	virtual void OnAudioStreamPacket(CefRefPtr<CefBrowser> browser, int audio_stream_id, const float **data,
-					 int frames, int64_t pts) override;
 
-	virtual void OnAudioStreamStopped(CefRefPtr<CefBrowser> browser, int audio_stream_id);
-
-	virtual void OnAudioStreamStarted(CefRefPtr<CefBrowser> browser, int audio_stream_id, int channels,
-					  ChannelLayout channel_layout, int sample_rate,
-					  int frames_per_buffer) override;
-#endif
 	/* CefLoadHandler */
 	virtual void OnLoadEnd(CefRefPtr<CefBrowser> browser, CefRefPtr<CefFrame> frame, int httpStatusCode) override;
 
diff --git a/browser-scheme.cpp b/browser-scheme.cpp
index 88d51d584..c8d93697c 100644
--- a/browser-scheme.cpp
+++ b/browser-scheme.cpp
@@ -20,7 +20,6 @@
 #include "wide-string.hpp"
 #include <include/wrapper/cef_stream_resource_handler.h>
 
-#if !ENABLE_LOCAL_FILE_URL_SCHEME
 CefRefPtr<CefResourceHandler> BrowserSchemeHandlerFactory::Create(CefRefPtr<CefBrowser> browser, CefRefPtr<CefFrame>,
 								  const CefString &, CefRefPtr<CefRequest> request)
 {
@@ -57,4 +56,3 @@ CefRefPtr<CefResourceHandler> BrowserSchemeHandlerFactory::Create(CefRefPtr<CefB
 		return nullptr;
 	}
 }
-#endif
diff --git a/browser-scheme.hpp b/browser-scheme.hpp
index 2b7f6fdd2..323e947c6 100644
--- a/browser-scheme.hpp
+++ b/browser-scheme.hpp
@@ -22,13 +22,6 @@
 #include <string>
 #include <fstream>
 
-#if CHROME_VERSION_BUILD < 4638
-#define ENABLE_LOCAL_FILE_URL_SCHEME 1
-#else
-#define ENABLE_LOCAL_FILE_URL_SCHEME 0
-#endif
-
-#if !ENABLE_LOCAL_FILE_URL_SCHEME
 class BrowserSchemeHandlerFactory : public CefSchemeHandlerFactory {
 public:
 	virtual CefRefPtr<CefResourceHandler> Create(CefRefPtr<CefBrowser> browser, CefRefPtr<CefFrame>,
@@ -36,4 +29,3 @@ class BrowserSchemeHandlerFactory : public CefSchemeHandlerFactory {
 
 	IMPLEMENT_REFCOUNTING(BrowserSchemeHandlerFactory);
 };
-#endif
diff --git a/cef-headers.hpp b/cef-headers.hpp
index 524fa37b4..2b14f490c 100644
--- a/cef-headers.hpp
+++ b/cef-headers.hpp
@@ -44,12 +44,6 @@
 #include "include/wrapper/cef_library_loader.h"
 #endif
 
-#if CHROME_VERSION_BUILD >= 4430
-#define ENABLE_WASHIDDEN 1
-#else
-#define ENABLE_WASHIDDEN 0
-#endif
-
 #if !defined(_WIN32) && !defined(__APPLE__) && \
 	(CHROME_VERSION_BUILD >= 6943 || (CHROME_VERSION_BUILD > 6337 && defined(CEF_OSR_EXTRA_INFO)))
 #define ENABLE_BROWSER_SHARED_TEXTURE
diff --git a/obs-browser-plugin.cpp b/obs-browser-plugin.cpp
index a7a61e0fe..544795b55 100644
--- a/obs-browser-plugin.cpp
+++ b/obs-browser-plugin.cpp
@@ -306,11 +306,7 @@ static void BrowserInit(void)
 	prod_ver << " OBS/";
 	prod_ver << std::to_string(obs_maj) << "." << std::to_string(obs_min) << "." << std::to_string(obs_pat);
 
-#if CHROME_VERSION_BUILD >= 4472
 	CefString(&settings.user_agent_product) = prod_ver.str();
-#else
-	CefString(&settings.product_version) = prod_ver.str();
-#endif
 
 #ifdef ENABLE_BROWSER_QT_LOOP
 	settings.external_message_pump = true;
@@ -377,17 +373,8 @@ static void BrowserInit(void)
 	BackupSignalHandlers();
 	bool success = CefInitialize(args, settings, app, nullptr);
 	RestoreSignalHandlers();
-#elif (CHROME_VERSION_BUILD > 3770)
-	bool success = CefInitialize(args, settings, app, nullptr);
 #else
-	/* Massive (but amazing) hack to prevent chromium from modifying our
-	 * process tokens and permissions, which caused us problems with winrt,
-	 * used with window capture.  Note, the structure internally is just
-	 * two pointers normally.  If it causes problems with future versions
-	 * we'll just switch back to the static library but I doubt we'll need
-	 * to. */
-	uintptr_t zeroed_memory_lol[32] = {};
-	bool success = CefInitialize(args, settings, app, zeroed_memory_lol);
+	bool success = CefInitialize(args, settings, app, nullptr);
 #endif
 
 	if (!success) {
@@ -399,19 +386,17 @@ static void BrowserInit(void)
 		return;
 	}
 
-#if !ENABLE_LOCAL_FILE_URL_SCHEME
 	/* Register http://absolute/ scheme handler for older
 	 * CEF builds which do not support file:// URLs */
 	CefRegisterSchemeHandlerFactory("http", "absolute", new BrowserSchemeHandlerFactory());
-#endif
+
 	os_event_signal(cef_started_event);
 }
 
 static void BrowserShutdown(void)
 {
-#if !ENABLE_LOCAL_FILE_URL_SCHEME
 	CefClearSchemeHandlerFactories();
-#endif
+
 #ifdef ENABLE_BROWSER_QT_LOOP
 	while (messageObject.ExecuteNextBrowserTask())
 		;
@@ -478,15 +463,6 @@ void RegisterBrowserSource()
 	info.video_render = [](void *data, gs_effect_t *) {
 		static_cast<BrowserSource *>(data)->Render();
 	};
-#if CHROME_VERSION_BUILD < 4103
-	info.audio_mix = [](void *data, uint64_t *ts_out, struct audio_output_data *audio_output, size_t channels,
-			    size_t sample_rate) {
-		return static_cast<BrowserSource *>(data)->AudioMix(ts_out, audio_output, channels, sample_rate);
-	};
-	info.enum_active_sources = [](void *data, obs_source_enum_proc_t cb, void *param) {
-		static_cast<BrowserSource *>(data)->EnumAudioStreams(cb, param);
-	};
-#endif
 	info.mouse_click = [](void *data, const struct obs_mouse_event *event, int32_t type, bool mouse_up,
 			      uint32_t click_count) {
 		static_cast<BrowserSource *>(data)->SendMouseClick(event, type, mouse_up, click_count);
@@ -776,11 +752,6 @@ bool obs_module_load(void)
 	}
 #endif
 
-#if defined(__APPLE__) && CHROME_VERSION_BUILD < 4183
-	// Make sure CEF malloc hijacking happens early in the process
-	obs_browser_initialize();
-#endif
-
 	return true;
 }
 
diff --git a/obs-browser-source-audio.cpp b/obs-browser-source-audio.cpp
deleted file mode 100644
index 58309714d..000000000
--- a/obs-browser-source-audio.cpp
+++ /dev/null
@@ -1,85 +0,0 @@
-/******************************************************************************
- Copyright (C) 2023 by Lain Bailey <lain@obsproject.com>
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program.  If not, see <http://www.gnu.org/licenses/>.
- ******************************************************************************/
-
-#include "obs-browser-source.hpp"
-#if CHROME_VERSION_BUILD < 4103
-void BrowserSource::EnumAudioStreams(obs_source_enum_proc_t cb, void *param)
-{
-	std::lock_guard<std::mutex> lock(audio_sources_mutex);
-	for (obs_source_t *audio_source : audio_sources) {
-		cb(source, audio_source, param);
-	}
-}
-
-static inline void mix_audio(float *__restrict p_out, const float *__restrict p_in, size_t pos, size_t count)
-{
-	float *__restrict out = p_out;
-	const float *__restrict in = p_in + pos;
-	const float *__restrict end = in + count;
-
-	while (in < end)
-		*out++ += *in++;
-}
-
-bool BrowserSource::AudioMix(uint64_t *ts_out, struct audio_output_data *audio_output, size_t channels,
-			     size_t sample_rate)
-{
-	uint64_t timestamp = 0;
-	struct obs_source_audio_mix child_audio;
-
-	std::lock_guard<std::mutex> lock(audio_sources_mutex);
-	for (obs_source_t *s : audio_sources) {
-		if (!obs_source_audio_pending(s)) {
-			uint64_t source_ts = obs_source_get_audio_timestamp(s);
-
-			if (source_ts && (!timestamp || source_ts < timestamp))
-				timestamp = source_ts;
-		}
-	}
-
-	if (!timestamp)
-		return false;
-
-	for (obs_source_t *s : audio_sources) {
-		uint64_t source_ts;
-		size_t pos, count;
-
-		if (obs_source_audio_pending(s)) {
-			continue;
-		}
-
-		source_ts = obs_source_get_audio_timestamp(s);
-		if (!source_ts) {
-			continue;
-		}
-
-		pos = (size_t)ns_to_audio_frames(sample_rate, source_ts - timestamp);
-		count = AUDIO_OUTPUT_FRAMES - pos;
-
-		obs_source_get_audio_mix(s, &child_audio);
-		for (size_t ch = 0; ch < channels; ch++) {
-			float *out = audio_output->data[ch];
-			float *in = child_audio.output[0].data[ch];
-
-			mix_audio(out, in, pos, count);
-		}
-	}
-
-	*ts_out = timestamp;
-	return true;
-}
-#endif
diff --git a/obs-browser-source.cpp b/obs-browser-source.cpp
index edad36eda..fec24be26 100644
--- a/obs-browser-source.cpp
+++ b/obs-browser-source.cpp
@@ -53,16 +53,6 @@ static void SendBrowserVisibility(CefRefPtr<CefBrowser> browser, bool isVisible)
 	if (!browser)
 		return;
 
-#if ENABLE_WASHIDDEN
-	if (isVisible) {
-		browser->GetHost()->WasResized();
-		browser->GetHost()->WasHidden(false);
-		browser->GetHost()->Invalidate(PET_VIEW);
-	} else {
-		browser->GetHost()->WasHidden(true);
-	}
-#endif
-
 	CefRefPtr<CefProcessMessage> msg = CefProcessMessage::Create("Visibility");
 	CefRefPtr<CefListValue> args = msg->GetArgumentList();
 	args->SetBool(0, isVisible);
@@ -200,13 +190,8 @@ bool BrowserSource::CreateBrowser()
 			new BrowserClient(this, hwaccel && tex_sharing_avail, reroute_audio, webpage_control_level);
 
 		CefWindowInfo windowInfo;
-#if CHROME_VERSION_BUILD < 4430
-		windowInfo.width = width;
-		windowInfo.height = height;
-#else
 		windowInfo.bounds.width = width;
 		windowInfo.bounds.height = height;
-#endif
 		windowInfo.windowless_rendering_enabled = true;
 
 #ifdef ENABLE_BROWSER_SHARED_TEXTURE
@@ -236,13 +221,6 @@ bool BrowserSource::CreateBrowser()
 		cefBrowserSettings.default_font_size = 16;
 		cefBrowserSettings.default_fixed_font_size = 16;
 
-#if ENABLE_LOCAL_FILE_URL_SCHEME && CHROME_VERSION_BUILD < 4430
-		if (is_local) {
-			/* Disable web security for file:// URLs to allow
-			 * local content access to remote APIs */
-			cefBrowserSettings.web_security = STATE_DISABLED;
-		}
-#endif
 		auto browser = CefBrowserHost::CreateBrowserSync(windowInfo, browserClient, url, cefBrowserSettings,
 								 CefRefPtr<CefDictionaryValue>(), nullptr);
 
@@ -262,16 +240,7 @@ void BrowserSource::DestroyBrowser()
 	ExecuteOnBrowser(ActuallyCloseBrowser, true);
 	SetBrowser(nullptr);
 }
-#if CHROME_VERSION_BUILD < 4103
-void BrowserSource::ClearAudioStreams()
-{
-	QueueCEFTask([this]() {
-		audio_streams.clear();
-		std::lock_guard<std::mutex> lock(audio_sources_mutex);
-		audio_sources.clear();
-	});
-}
-#endif
+
 void BrowserSource::SendMouseClick(const struct obs_mouse_event *event, int32_t type, bool mouse_up,
 				   uint32_t click_count)
 {
@@ -327,15 +296,7 @@ void BrowserSource::SendMouseWheel(const struct obs_mouse_event *event, int x_de
 
 void BrowserSource::SendFocus(bool focus)
 {
-	ExecuteOnBrowser(
-		[=](CefRefPtr<CefBrowser> cefBrowser) {
-#if CHROME_VERSION_BUILD < 4430
-			cefBrowser->GetHost()->SendFocusEvent(focus);
-#else
-			cefBrowser->GetHost()->SetFocus(focus);
-#endif
-		},
-		true);
+	ExecuteOnBrowser([=](CefRefPtr<CefBrowser> cefBrowser) { cefBrowser->GetHost()->SetFocus(focus); }, true);
 }
 
 void BrowserSource::SendKeyClick(const struct obs_key_event *event, bool key_up)
@@ -529,28 +490,9 @@ void BrowserSource::Update(obs_data_t *settings)
 			while (n_url.find("%2F") != std::string::npos)
 				n_url.replace(n_url.find("%2F"), 3, "/");
 
-#if !ENABLE_LOCAL_FILE_URL_SCHEME
 			/* http://absolute/ based mapping for older CEF */
 			n_url = "http://absolute/" + n_url;
-#elif defined(_WIN32)
-			/* Widows-style local file URL:
-			 * file:///C:/file/path.webm */
-			n_url = "file:///" + n_url;
-#else
-			/* UNIX-style local file URL:
-			 * file:///home/user/file.webm */
-			n_url = "file://" + n_url;
-#endif
-		}
-
-#if ENABLE_LOCAL_FILE_URL_SCHEME
-		if (astrcmpi_n(n_url.c_str(), "http://absolute/", 16) == 0) {
-			/* Replace http://absolute/ URLs with file://
-			 * URLs if file:// URLs are enabled */
-			n_url = "file:///" + n_url.substr(16);
-			n_is_local = true;
 		}
-#endif
 
 		if (n_is_local == is_local && n_fps_custom == fps_custom && n_fps == fps &&
 		    n_shutdown == shutdown_on_invisible && n_restart == restart && n_css == css && n_url == url &&
@@ -590,9 +532,7 @@ void BrowserSource::Update(obs_data_t *settings)
 
 	DestroyBrowser();
 	DestroyTextures();
-#if CHROME_VERSION_BUILD < 4103
-	ClearAudioStreams();
-#endif
+
 	if (!shutdown_on_invisible || obs_source_showing(source))
 		create_browser = true;
 
diff --git a/obs-browser-source.hpp b/obs-browser-source.hpp
index 1aa2da6ae..5bf26b5ce 100644
--- a/obs-browser-source.hpp
+++ b/obs-browser-source.hpp
@@ -27,19 +27,6 @@
 #include <string>
 #include <mutex>
 
-#if CHROME_VERSION_BUILD < 4103
-#include <obs.hpp>
-#include <unordered_map>
-#include <vector>
-
-struct AudioStream {
-	OBSSourceAutoRelease source;
-	speaker_layout speakers;
-	int channels;
-	int sample_rate;
-};
-#endif
-
 enum class ControlLevel : int {
 	None,
 	ReadObs,
@@ -129,14 +116,7 @@ struct BrowserSource {
 	void Update(obs_data_t *settings = nullptr);
 	void Tick();
 	void Render();
-#if CHROME_VERSION_BUILD < 4103
-	void ClearAudioStreams();
-	void EnumAudioStreams(obs_source_enum_proc_t cb, void *param);
-	bool AudioMix(uint64_t *ts_out, struct audio_output_data *audio_output, size_t channels, size_t sample_rate);
-	std::mutex audio_sources_mutex;
-	std::vector<obs_source_t *> audio_sources;
-	std::unordered_map<int, AudioStream> audio_streams;
-#endif
+
 	void SendMouseClick(const struct obs_mouse_event *event, int32_t type, bool mouse_up, uint32_t click_count);
 	void SendMouseMove(const struct obs_mouse_event *event, bool mouse_leave);
 	void SendMouseWheel(const struct obs_mouse_event *event, int x_delta, int y_delta);
diff --git a/panel/browser-panel.cpp b/panel/browser-panel.cpp
index 51810c813..77bbdafbb 100644
--- a/panel/browser-panel.cpp
+++ b/panel/browser-panel.cpp
@@ -313,20 +313,7 @@ void QCefWidgetInternal::Init()
 			windowInfo.runtime_style = CEF_RUNTIME_STYLE_ALLOY;
 #endif
 
-#if CHROME_VERSION_BUILD < 4430
-#ifdef __APPLE__
-			windowInfo.SetAsChild((CefWindowHandle)handle, 0, 0, size.width(), size.height());
-#else
-#ifdef _WIN32
-			RECT rc = {0, 0, size.width(), size.height()};
-#else
-			CefRect rc = {0, 0, size.width(), size.height()};
-#endif
-			windowInfo.SetAsChild((CefWindowHandle)handle, rc);
-#endif
-#else
 			windowInfo.SetAsChild((CefWindowHandle)handle, CefRect(0, 0, size.width(), size.height()));
-#endif
 
 			CefRefPtr<QCefBrowserClient> browserClient =
 				new QCefBrowserClient(this, script, allowAllPopups_);