diff --git a/src/r_defs.h b/src/r_defs.h
index 8cd2059cb26d7a8fd64c56728cfb7394df03259b..369fd5fbf207eb08904844f21d9bbba159742436 100644
--- a/src/r_defs.h
+++ b/src/r_defs.h
@@ -853,15 +853,6 @@ typedef struct drawseg_s
 	vertex_t leftpos, rightpos; // Used for rendering FOF walls with slopes
 } drawseg_t;
 
-typedef enum
-{
-	PALETTE         = 0,  // 1 byte is the index in the doom palette (as usual)
-	INTENSITY       = 1,  // 1 byte intensity
-	INTENSITY_ALPHA = 2,  // 2 byte: alpha then intensity
-	RGB24           = 3,  // 24 bit rgb
-	RGBA32          = 4,  // 32 bit rgba
-} pic_mode_t;
-
 #ifdef ROTSPRITE
 typedef struct
 {