diff --git a/indra/media_plugins/cef/media_plugin_cef.cpp b/indra/media_plugins/cef/media_plugin_cef.cpp
index c658f354805a8ed11ba9d0dcec0b908f19f0d258..181355d395b114f7a00599e2c6dab6f220c54347 100644
--- a/indra/media_plugins/cef/media_plugin_cef.cpp
+++ b/indra/media_plugins/cef/media_plugin_cef.cpp
@@ -547,7 +547,10 @@ void MediaPluginCEF::receiveMessage(const char* message_string)
 				settings.disable_network_service = mDisableNetworkService;
 				settings.use_mock_keychain = mUseMockKeyChain;
 #endif
-				settings.flash_enabled = mPluginsEnabled;
+				// SL-14897 Disable Flash support in the embedded browser
+				//settings.flash_enabled = mPluginsEnabled;
+				settings.flash_enabled = false;
+
 				settings.flip_mouse_y = false;
 				settings.flip_pixels_y = true;
 				settings.frame_rate = 60;
@@ -556,8 +559,12 @@ void MediaPluginCEF::receiveMessage(const char* message_string)
 				settings.initial_width = 1024;
 				settings.java_enabled = false;
 				settings.javascript_enabled = mJavascriptEnabled;
-				settings.media_stream_enabled = false; // MAINT-6060 - WebRTC media removed until we can add granualrity/query UI
-				settings.plugins_enabled = mPluginsEnabled;
+				settings.media_stream_enabled = false; // MAINT-6060 - WebRTC media removed until we can add granularity/query UI
+				
+				// SL-14897 Disable Flash support in the embedded browser
+				//settings.plugins_enabled = mPluginsEnabled;
+				settings.plugins_enabled = false;
+
 				settings.user_agent_substring = mCEFLib->makeCompatibleUserAgentString(mUserAgentSubtring);
 				settings.webgl_enabled = true;
 				settings.log_file = mCefLogFile;
diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 77f0fd99bc733f1da1e7a5c9d22098205857575f..5baca21df736d96759cb35c0ba64c65ea52489e8 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -2076,17 +2076,6 @@
       <key>Value</key>
       <integer>1</integer>
     </map>
-    <key>BrowserPluginsEnabled</key>
-    <map>
-      <key>Comment</key>
-      <string>Enable Web plugins in the built-in Web browser?</string>
-      <key>Persist</key>
-      <integer>1</integer>
-      <key>Type</key>
-      <string>Boolean</string>
-      <key>Value</key>
-      <integer>1</integer>
-    </map>
     <key>ChatBarCustomWidth</key>
     <map>
       <key>Comment</key>
diff --git a/indra/newview/llviewermedia.cpp b/indra/newview/llviewermedia.cpp
index 9ed2df27593a48cb35fd6e2d922d84882729febd..9a1403f892fdb2ed23dd7e71b777de262204a678 100644
--- a/indra/newview/llviewermedia.cpp
+++ b/indra/newview/llviewermedia.cpp
@@ -1744,10 +1744,6 @@ LLPluginClassMedia* LLViewerMediaImpl::newSourceFromMediaType(std::string media_
 			bool cookies_enabled = gSavedSettings.getBOOL( "CookiesEnabled" );
 			media_source->cookies_enabled( cookies_enabled || clean_browser);
 
-			// collect 'plugins enabled' setting from prefs and send to embedded browser
-			bool plugins_enabled = gSavedSettings.getBOOL( "BrowserPluginsEnabled" );
-			media_source->setPluginsEnabled( plugins_enabled  || clean_browser);
-
 			// collect 'javascript enabled' setting from prefs and send to embedded browser
 			bool javascript_enabled = gSavedSettings.getBOOL( "BrowserJavascriptEnabled" );
 			media_source->setJavascriptEnabled( javascript_enabled || clean_browser);
diff --git a/indra/newview/skins/default/xui/en/panel_preferences_setup.xml b/indra/newview/skins/default/xui/en/panel_preferences_setup.xml
index 6732f4ff1c4464d54bd511690590d5cb2a0ed426..89a5a5ca6f096efe2d4d62529557b801df4637e3 100644
--- a/indra/newview/skins/default/xui/en/panel_preferences_setup.xml
+++ b/indra/newview/skins/default/xui/en/panel_preferences_setup.xml
@@ -147,20 +147,6 @@
       width="480" />
   </radio_group>
 
-  <check_box
-    top_delta="2"
-    enabled="true"
-    follows="left|top"
-    height="18"
-    initial_value="true"
-    control_name="BrowserPluginsEnabled"
-    label="Enable plugins"
-    left_delta="20"
-    mouse_opaque="true"
-    name="browser_plugins_enabled"
-    radio_style="false"
-    width="400"
-    top_pad="5"/>
   <check_box
     top_delta="4"
     enabled="true"