diff --git a/GuiLite.h b/GuiLite.h
index 75f14a1..c43de49 100644
--- a/GuiLite.h
+++ b/GuiLite.h
@@ -855,7 +855,6 @@ protected:
 		}
 		for (int i = Z_ORDER_LEVEL_0; i < m_max_zorder; i++)
 		{//Top layber fb always be 0
-			ASSERT(!m_frame_layers[i].fb);
 			m_frame_layers[i].fb = (unsigned short*)calloc(m_width * m_height, sizeof(unsigned short));
 			ASSERT(m_frame_layers[i].fb);
 		}
diff --git a/workspace/core_include/display.h b/workspace/core_include/display.h
index 5565570..5662c8e 100644
--- a/workspace/core_include/display.h
+++ b/workspace/core_include/display.h
@@ -543,7 +543,6 @@ protected:
 
 		for (int i = Z_ORDER_LEVEL_0; i < m_max_zorder; i++)
 		{//Top layber fb always be 0
-			ASSERT(!m_frame_layers[i].fb);
 			m_frame_layers[i].fb = (unsigned short*)calloc(m_width * m_height, sizeof(unsigned short));
 			ASSERT(m_frame_layers[i].fb);
 		}