diff --git a/opengl/java/com/google/android/gles_jni/EGLImpl.java b/opengl/java/com/google/android/gles_jni/EGLImpl.java
index 41fb072..f94f69f 100644
--- a/opengl/java/com/google/android/gles_jni/EGLImpl.java
+++ b/opengl/java/com/google/android/gles_jni/EGLImpl.java
@@ -16,12 +16,18 @@
 
 package com.google.android.gles_jni;
 
-import javax.microedition.khronos.egl.*;
-
 import android.graphics.SurfaceTexture;
 import android.view.Surface;
-import android.view.SurfaceView;
 import android.view.SurfaceHolder;
+import android.view.SurfaceView;
+
+import dalvik.annotation.compat.UnsupportedAppUsage;
+
+import javax.microedition.khronos.egl.EGL10;
+import javax.microedition.khronos.egl.EGLConfig;
+import javax.microedition.khronos.egl.EGLContext;
+import javax.microedition.khronos.egl.EGLDisplay;
+import javax.microedition.khronos.egl.EGLSurface;
 
 public class EGLImpl implements EGL10 {
     private EGLContextImpl mContext = new EGLContextImpl(-1);
@@ -50,6 +56,10 @@
     /** @hide **/
     public static native int  getInitCount(EGLDisplay display);
 
+    @UnsupportedAppUsage
+    public EGLImpl() {
+    }
+
     public EGLContext eglCreateContext(EGLDisplay display, EGLConfig config, EGLContext share_context, int[] attrib_list) {
         long eglContextId = _eglCreateContext(display, config, share_context, attrib_list);
         if (eglContextId == 0) {
diff --git a/opengl/java/com/google/android/gles_jni/GLImpl.java b/opengl/java/com/google/android/gles_jni/GLImpl.java
index d4c0c80..2a8d07f 100644
--- a/opengl/java/com/google/android/gles_jni/GLImpl.java
+++ b/opengl/java/com/google/android/gles_jni/GLImpl.java
@@ -26,7 +26,10 @@
 import android.os.UserHandle;
 import android.util.Log;
 
+import dalvik.annotation.compat.UnsupportedAppUsage;
+
 import java.nio.Buffer;
+
 import javax.microedition.khronos.opengles.GL10;
 import javax.microedition.khronos.opengles.GL10Ext;
 import javax.microedition.khronos.opengles.GL11;
@@ -56,6 +59,7 @@
     private boolean have_OES_framebuffer_object;
     private boolean have_OES_texture_cube_map;
 
+    @UnsupportedAppUsage
     public GLImpl() {
     }