diff --git a/common/settings.h b/common/settings.h
index 1805e363f7f22..317884c1757de 100644
--- a/common/settings.h
+++ b/common/settings.h
@@ -144,7 +144,6 @@ struct Settings {
   fml::UniqueFD::element_type assets_dir =
       fml::UniqueFD::traits_type::InvalidValue();
   std::string assets_path;
-  std::string flx_path;
 };
 
 }  // namespace flutter
diff --git a/shell/common/switches.cc b/shell/common/switches.cc
index 4d4ed1b86b628..859a798c0fc25 100644
--- a/shell/common/switches.cc
+++ b/shell/common/switches.cc
@@ -198,8 +198,6 @@ Settings SettingsFromCommandLine(const fml::CommandLine& command_line) {
   settings.verbose_logging =
       command_line.HasOption(FlagForSwitch(Switch::VerboseLogging));
 
-  command_line.GetOptionValue(FlagForSwitch(Switch::FLX), &settings.flx_path);
-
   command_line.GetOptionValue(FlagForSwitch(Switch::FlutterAssetsDir),
                               &settings.assets_path);
 
diff --git a/shell/common/switches.h b/shell/common/switches.h
index 7747c33bca44c..73c00d97a0953 100644
--- a/shell/common/switches.h
+++ b/shell/common/switches.h
@@ -90,7 +90,6 @@ DEF_SWITCH(SkiaDeterministicRendering,
            "Skips the call to SkGraphics::Init(), thus avoiding swapping out"
            "some Skia function pointers based on available CPU features. This"
            "is used to obtain 100% deterministic behavior in Skia rendering.")
-DEF_SWITCH(FLX, "flx", "Specify the FLX path.")
 DEF_SWITCH(FlutterAssetsDir,
            "flutter-assets-dir",
            "Path to the Flutter assets directory.")
diff --git a/shell/platform/android/io/flutter/view/FlutterMain.java b/shell/platform/android/io/flutter/view/FlutterMain.java
index 14b932061877e..685e6702b00c1 100644
--- a/shell/platform/android/io/flutter/view/FlutterMain.java
+++ b/shell/platform/android/io/flutter/view/FlutterMain.java
@@ -35,7 +35,6 @@ public class FlutterMain {
     private static final String AOT_VM_SNAPSHOT_INSTR_KEY = "vm-snapshot-instr";
     private static final String AOT_ISOLATE_SNAPSHOT_DATA_KEY = "isolate-snapshot-data";
     private static final String AOT_ISOLATE_SNAPSHOT_INSTR_KEY = "isolate-snapshot-instr";
-    private static final String FLX_KEY = "flx";
     private static final String FLUTTER_ASSETS_DIR_KEY = "flutter-assets-dir";
 
     // XML Attribute keys supported in AndroidManifest.xml
@@ -49,8 +48,6 @@ public class FlutterMain {
         FlutterMain.class.getName() + '.' + AOT_ISOLATE_SNAPSHOT_DATA_KEY;
     public static final String PUBLIC_AOT_ISOLATE_SNAPSHOT_INSTR_KEY =
         FlutterMain.class.getName() + '.' + AOT_ISOLATE_SNAPSHOT_INSTR_KEY;
-    public static final String PUBLIC_FLX_KEY =
-        FlutterMain.class.getName() + '.' + FLX_KEY;
     public static final String PUBLIC_FLUTTER_ASSETS_DIR_KEY =
         FlutterMain.class.getName() + '.' + FLUTTER_ASSETS_DIR_KEY;
 
@@ -60,7 +57,6 @@ public class FlutterMain {
     private static final String DEFAULT_AOT_VM_SNAPSHOT_INSTR = "vm_snapshot_instr";
     private static final String DEFAULT_AOT_ISOLATE_SNAPSHOT_DATA = "isolate_snapshot_data";
     private static final String DEFAULT_AOT_ISOLATE_SNAPSHOT_INSTR = "isolate_snapshot_instr";
-    private static final String DEFAULT_FLX = "app.flx";
     private static final String DEFAULT_LIBRARY = "libflutter.so";
     private static final String DEFAULT_KERNEL_BLOB = "kernel_blob.bin";
     private static final String DEFAULT_FLUTTER_ASSETS_DIR = "flutter_assets";
@@ -75,7 +71,6 @@ private static String fromFlutterAssets(String filePath) {
     private static String sAotVmSnapshotInstr = DEFAULT_AOT_VM_SNAPSHOT_INSTR;
     private static String sAotIsolateSnapshotData = DEFAULT_AOT_ISOLATE_SNAPSHOT_DATA;
     private static String sAotIsolateSnapshotInstr = DEFAULT_AOT_ISOLATE_SNAPSHOT_INSTR;
-    private static String sFlx = DEFAULT_FLX;
     private static String sFlutterAssetsDir = DEFAULT_FLUTTER_ASSETS_DIR;
 
     private static boolean sInitialized = false;
@@ -295,7 +290,6 @@ private static void initConfig(Context applicationContext) {
                 sAotVmSnapshotInstr = metadata.getString(PUBLIC_AOT_VM_SNAPSHOT_INSTR_KEY, DEFAULT_AOT_VM_SNAPSHOT_INSTR);
                 sAotIsolateSnapshotData = metadata.getString(PUBLIC_AOT_ISOLATE_SNAPSHOT_DATA_KEY, DEFAULT_AOT_ISOLATE_SNAPSHOT_DATA);
                 sAotIsolateSnapshotInstr = metadata.getString(PUBLIC_AOT_ISOLATE_SNAPSHOT_INSTR_KEY, DEFAULT_AOT_ISOLATE_SNAPSHOT_INSTR);
-                sFlx = metadata.getString(PUBLIC_FLX_KEY, DEFAULT_FLX);
                 sFlutterAssetsDir = metadata.getString(PUBLIC_FLUTTER_ASSETS_DIR_KEY, DEFAULT_FLUTTER_ASSETS_DIR);
             }
         } catch (PackageManager.NameNotFoundException e) {
@@ -334,7 +328,6 @@ private static void initResources(Context applicationContext) {
         sResourceExtractor = new ResourceExtractor(context);
 
         sResourceExtractor
-            .addResource(fromFlutterAssets(sFlx))
             .addResource(fromFlutterAssets(sAotVmSnapshotData))
             .addResource(fromFlutterAssets(sAotVmSnapshotInstr))
             .addResource(fromFlutterAssets(sAotIsolateSnapshotData))