diff --git a/BoardConfig.mk b/BoardConfig.mk
index 887a48525965e49e86ca55c6a40fb57777150188..1de5f7bb91c9f3e88d0de5bf145e289c0e6e2c32 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -126,16 +126,13 @@ MAX_VIRTUAL_DISPLAY_DIMENSION := 4096
 TARGET_FORCE_HWC_FOR_VIRTUAL_DISPLAYS := true
 
 TARGET_USES_ION := true
-TARGET_USES_NEW_ION_API :=true
 TARGET_USES_GRALLOC1 := true
 TARGET_USES_HWC2 := true
-TARGET_USES_OVERLAY := true
 
 MAX_EGL_CACHE_KEY_SIZE := 12*1024
 MAX_EGL_CACHE_SIZE := 2048*1024
 
 OVERRIDE_RS_DRIVER := libRSDriver_adreno.so
-USE_OPENGL_RENDERER := true
 
 # DRM
 TARGET_ENABLE_MEDIADRM_64 := true