diff --git a/DroidFish/AndroidManifest.xml b/DroidFish/AndroidManifest.xml
index eb77d74..90470e0 100644
--- a/DroidFish/AndroidManifest.xml
+++ b/DroidFish/AndroidManifest.xml
@@ -10,7 +10,7 @@
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
     <uses-permission android:name="android.permission.VIBRATE" />
-    <uses-sdk android:minSdkVersion="3"
+    <uses-sdk android:minSdkVersion="4"
               android:targetSdkVersion="10"/>
     <application android:icon="@drawable/icon"
                  android:label="@string/app_name"
diff --git a/DroidFish/assets/stockfish15.mygz b/DroidFish/assets/stockfish15.mygz
deleted file mode 100755
index f9e5d8e..0000000
Binary files a/DroidFish/assets/stockfish15.mygz and /dev/null differ
diff --git a/DroidFish/src/org/petero/droidfish/engine/EngineUtil.java b/DroidFish/src/org/petero/droidfish/engine/EngineUtil.java
index f669fbc..c172b1b 100644
--- a/DroidFish/src/org/petero/droidfish/engine/EngineUtil.java
+++ b/DroidFish/src/org/petero/droidfish/engine/EngineUtil.java
@@ -18,7 +18,6 @@
 
 package org.petero.droidfish.engine;
 
-import android.annotation.TargetApi;
 import android.os.Build;
 
 public class EngineUtil {
@@ -29,7 +28,6 @@ public class EngineUtil {
     /** Return number of physical processors, i.e. hyper-threading ignored. */
     final static native int getNPhysicalProcessors();
 
-    @TargetApi(4)
     private static final class CpuAbi {
         static final String get() { return Build.CPU_ABI; }
     }
@@ -37,9 +35,6 @@ public class EngineUtil {
     /** Return file name of the internal stockfish executable,
      * or null if the internal stockfish engine is not supported. */
     public static String internalStockFishName() {
-        final int sdkVersion = Integer.parseInt(Build.VERSION.SDK);
-        if (sdkVersion < 4)
-            return "stockfish15.mygz";
         String abi = CpuAbi.get();
         if (!abi.equals("x86") &&
             !abi.equals("armeabi-v7a") &&