diff --git a/engine/ref_api.h b/engine/ref_api.h
index ea071af9..a44a0024 100644
--- a/engine/ref_api.h
+++ b/engine/ref_api.h
@@ -540,8 +540,6 @@ typedef struct ref_interface_s
 
 	qboolean (*R_AddEntity)( struct cl_entity_s *clent, int type );
 	void (*R_ProcessEntData)( qboolean allocate, cl_entity_t *entities, unsigned int max_entities );
-	void (*R_Flush)( unsigned int flush_flags );
-
 	// debug
 	void (*R_ShowTextures)( void );
 
@@ -553,7 +551,6 @@ typedef struct ref_interface_s
 
 	// 2D
 	void (*R_Set2DMode)( qboolean enable );
-	void (*R_DrawStretchRaw)( float x, float y, float w, float h, int cols, int rows, const byte *data, qboolean dirty );
 	void (*R_DrawStretchPic)( float x, float y, float w, float h, float s1, float t1, float s2, float t2, int texnum );
 	void (*FillRGBA)( int rendermode, float x, float y, float w, float h, byte r, byte g, byte b, byte a ); // in screen space
 	int  (*WorldToScreen)( const vec3_t world, vec3_t screen );  // Returns 1 if it's z clipped
@@ -644,7 +641,6 @@ typedef struct ref_interface_s
 
 	// vgui drawing implementation
 	void	(*VGUI_SetupDrawing)( qboolean rect );
-	void	(*VGUI_UploadTextureBlock)( int drawX, int drawY, const byte *rgba, int blockWidth, int blockHeight );
 } ref_interface_t;
 
 typedef int (*REFAPI)( int version, ref_interface_t *pFunctionTable, ref_api_t* engfuncs, ref_globals_t *pGlobals );
diff --git a/ref/gl/gl_context.c b/ref/gl/gl_context.c
index 03e74634..23a56a8c 100644
--- a/ref/gl/gl_context.c
+++ b/ref/gl/gl_context.c
@@ -319,11 +319,6 @@ static void R_ProcessEntData( qboolean allocate, cl_entity_t *entities, unsigned
 		gEngfuncs.drawFuncs->R_ProcessEntData( allocate );
 }
 
-static void GAME_EXPORT R_Flush( unsigned int flags )
-{
-	// stub
-}
-
 /*
 =============
 R_SetSkyCloudsTextures
@@ -377,11 +372,6 @@ static qboolean R_SetDisplayTransform( ref_screen_rotation_t rotate, int offset_
 	return ret;
 }
 
-static void GAME_EXPORT VGUI_UploadTextureBlock( int drawX, int drawY, const byte *rgba, int blockWidth, int blockHeight )
-{
-	pglTexSubImage2D( GL_TEXTURE_2D, 0, drawX, drawY, blockWidth, blockHeight, GL_RGBA, GL_UNSIGNED_BYTE, rgba );
-}
-
 static void GAME_EXPORT VGUI_SetupDrawing( qboolean rect )
 {
 	pglEnable( GL_BLEND );
@@ -526,7 +516,6 @@ const ref_interface_t gReffuncs =
 
 	R_AddEntity,
 	R_ProcessEntData,
-	R_Flush,
 
 	R_ShowTextures,
 
@@ -604,6 +593,5 @@ const ref_interface_t gReffuncs =
 	R_FillTriAPI,
 
 	VGUI_SetupDrawing,
-	VGUI_UploadTextureBlock,
 };
 
diff --git a/ref/null/r_context.c b/ref/null/r_context.c
index b0216ccd..32914200 100644
--- a/ref/null/r_context.c
+++ b/ref/null/r_context.c
@@ -440,11 +440,6 @@ static void VGUI_SetupDrawing( qboolean rect )
 	;
 }
 
-static void VGUI_UploadTextureBlock( int drawX, int drawY, const byte *rgba, int blockWidth, int blockHeight )
-{
-	;
-}
-
 static const ref_interface_t gReffuncs =
 {
 	.R_Init                = R_Init,
@@ -471,7 +466,6 @@ static const ref_interface_t gReffuncs =
 
 	.R_AddEntity      = R_AddEntity,
 	.R_ProcessEntData = R_ProcessEntData,
-	.R_Flush          = R_SimpleStubUInt,
 
 	.R_ShowTextures = R_SimpleStub,
 
@@ -549,7 +543,6 @@ static const ref_interface_t gReffuncs =
 	.R_FillTriAPI    = R_FillTriAPI,
 
 	.VGUI_SetupDrawing   = VGUI_SetupDrawing,
-	.VGUI_UploadTextureBlock = VGUI_UploadTextureBlock,
 };
 
 int EXPORT GetRefAPI( int version, ref_interface_t *funcs, ref_api_t *engfuncs, ref_globals_t *globals );
diff --git a/ref/soft/r_context.c b/ref/soft/r_context.c
index a247002d..37c85c4a 100644
--- a/ref/soft/r_context.c
+++ b/ref/soft/r_context.c
@@ -263,11 +263,6 @@ static void GAME_EXPORT R_ProcessEntData( qboolean allocate, cl_entity_t *entiti
 	tr.max_entities = max_entities;
 }
 
-static void GAME_EXPORT R_Flush( unsigned int flags )
-{
-	// stub
-}
-
 // stubs
 
 static void GAME_EXPORT GL_SetTexCoordArrayMode( uint mode )
@@ -377,10 +372,6 @@ byte *GAME_EXPORT Mod_GetCurrentVis( void )
 	return NULL;
 }
 
-static void GAME_EXPORT VGUI_UploadTextureBlock( int drawX, int drawY, const byte *rgba, int blockWidth, int blockHeight )
-{
-}
-
 static void GAME_EXPORT VGUI_SetupDrawing( qboolean rect )
 {
 }
@@ -464,7 +455,6 @@ const ref_interface_t gReffuncs =
 
 	R_AddEntity,
 	R_ProcessEntData,
-	R_Flush,
 
 	R_ShowTextures,
 
@@ -542,6 +532,5 @@ const ref_interface_t gReffuncs =
 	R_FillTriAPI,
 
 	VGUI_SetupDrawing,
-	VGUI_UploadTextureBlock,
 };