diff --git a/services/camera/libcameraservice/CameraService.cpp b/services/camera/libcameraservice/CameraService.cpp
index f3c9959..7e3c643 100644
--- a/services/camera/libcameraservice/CameraService.cpp
+++ b/services/camera/libcameraservice/CameraService.cpp
@@ -472,15 +472,15 @@
     result = NO_ERROR;
 
     // return if no change in surface.
-    // asBinder() is safe on NULL (returns NULL)
-    if (getISurface(surface)->asBinder() == mSurface) {
+    sp<IBinder> binder(surface != 0 ? surface->asBinder() : 0);
+    if (binder == mSurface) {
         return result;
     }
 
     if (mSurface != 0) {
         LOG1("clearing old preview surface %p", mSurface.get());
     }
-    mSurface = getISurface(surface)->asBinder();
+    mSurface = binder;
     mPreviewWindow = surface;
 
     // If preview has been already started, register preview
@@ -1241,12 +1241,4 @@
     return NO_ERROR;
 }
 
-sp<ISurface> CameraService::getISurface(const sp<Surface>& surface) {
-    if (surface != 0) {
-        return surface->getISurface();
-    } else {
-        return sp<ISurface>(0);
-    }
-}
-
 }; // namespace android
diff --git a/services/camera/libcameraservice/CameraService.h b/services/camera/libcameraservice/CameraService.h
index 28e8cc0..9a9ab0e 100644
--- a/services/camera/libcameraservice/CameraService.h
+++ b/services/camera/libcameraservice/CameraService.h
@@ -79,12 +79,6 @@
     sp<MediaPlayer>     mSoundPlayer[NUM_SOUNDS];
     int                 mSoundRef;  // reference count (release all MediaPlayer when 0)
 
-    // Used by Client objects to extract the ISurface from a Surface object.
-    // This is used because making Client a friend class of Surface would
-    // require including this header in Surface.h since Client is a nested
-    // class.
-    static sp<ISurface> getISurface(const sp<Surface>& surface);
-
     class Client : public BnCamera
     {
     public: