diff --git a/include/gui/ISurfaceComposer.h b/include/gui/ISurfaceComposer.h
index 0d4a76b..315a39b 100644
--- a/include/gui/ISurfaceComposer.h
+++ b/include/gui/ISurfaceComposer.h
@@ -35,6 +35,7 @@
 
 class ComposerState;
 class DisplayState;
+class DisplayInfo;
 class IDisplayEventConnection;
 class IMemoryHeap;
 
@@ -102,9 +103,6 @@
      */
     virtual sp<IGraphicBufferAlloc> createGraphicBufferAlloc() = 0;
 
-    /* retrieve the control block */
-    virtual sp<IMemoryHeap> getCblk() const = 0;
-
     /* open/close transactions. requires ACCESS_SURFACE_FLINGER permission */
     virtual void setTransactionState(
             const Vector<ComposerState>& state,
@@ -145,6 +143,10 @@
     /* triggers screen on and waits for it to complete */
     virtual void unblank() = 0;
 
+    /* returns information about a physical screen. This is intended to be
+     * used by low-level native tests */
+    virtual status_t getDisplayInfo(DisplayID dpy, DisplayInfo* info) = 0;
+
     /* connects to an external display */
     virtual void connectDisplay(const sp<ISurfaceTexture> display) = 0;
 };
@@ -160,7 +162,7 @@
         BOOT_FINISHED = IBinder::FIRST_CALL_TRANSACTION,
         CREATE_CONNECTION,
         CREATE_GRAPHIC_BUFFER_ALLOC,
-        GET_CBLK,
+        GET_DISPLAY_INFO,
         SET_TRANSACTION_STATE,
         SET_ORIENTATION,
         CAPTURE_SCREEN,
diff --git a/include/gui/SurfaceComposerClient.h b/include/gui/SurfaceComposerClient.h
index aef4223..b058b8d 100644
--- a/include/gui/SurfaceComposerClient.h
+++ b/include/gui/SurfaceComposerClient.h
@@ -97,14 +97,8 @@
     //! Set the orientation of the given display
     static int setOrientation(DisplayID dpy, int orientation, uint32_t flags);
 
-    // Query the number of displays
-    static ssize_t getNumberOfDisplays();
-
     // Get information about a display
     static status_t getDisplayInfo(DisplayID dpy, DisplayInfo* info);
-    static ssize_t getDisplayWidth(DisplayID dpy);
-    static ssize_t getDisplayHeight(DisplayID dpy);
-    static ssize_t getDisplayOrientation(DisplayID dpy);
 
     status_t linkToComposerDeath(const sp<IBinder::DeathRecipient>& recipient,
             void* cookie = NULL, uint32_t flags = 0);