diff --git a/public/const.h b/public/const.h
index 1fbcc661..f127f095 100644
--- a/public/const.h
+++ b/public/const.h
@@ -239,24 +239,20 @@ enum LifeState_t
 	LIFE_RESPAWNING		= 0x4
 };
 
-// GAMMACASE: Potentially obsolete
 // entity effects
-enum
+enum EntityEffects_t : uint16
 {
-	EF_BONEMERGE			= 0x001,	// Performs bone merge on client side
-	EF_BRIGHTLIGHT 			= 0x002,	// DLIGHT centered at entity origin
-	EF_DIMLIGHT 			= 0x004,	// player flashlight
-	EF_NOINTERP				= 0x008,	// don't interpolate the next frame
-	EF_NOSHADOW				= 0x010,	// Don't cast no shadow
-	EF_NODRAW				= 0x020,	// don't draw entity
-	EF_NORECEIVESHADOW		= 0x040,	// Don't receive no shadow
-	EF_BONEMERGE_FASTCULL	= 0x080,	// For use with EF_BONEMERGE. If this is set, then it places this ent's origin at its
-										// parent and uses the parent's bbox + the max extents of the aiment.
-										// Otherwise, it sets up the parent's bones every frame to figure out where to place
-										// the aiment, which is inefficient because it'll setup the parent's bones even if
-										// the parent is not in the PVS.
-	EF_ITEM_BLINK			= 0x100,	// blink an item so that the user notices it.
-	EF_PARENT_ANIMATES		= 0x200,	// always assume that the parent entity is animating
+	// EF_EMPTY				= (1 << 0),
+	// EF_EMPTY				= (1 << 1),
+	// EF_EMPTY				= (1 << 2),
+	DEPRICATED_EF_NOINTERP	= (1 << 3),	// don't interpolate the next frame
+	EF_NOSHADOW				= (1 << 4),	// Don't cast no shadow
+	EF_NODRAW				= (1 << 5),	// don't draw entity
+	EF_NORECEIVESHADOW		= (1 << 6),	// Don't receive no shadow
+	// EF_EMPTY				= (1 << 7),
+	// EF_EMPTY				= (1 << 8),
+	EF_PARENT_ANIMATES		= (1 << 9),
+	EF_NODRAW_BUT_TRANSMIT	= (1 << 10),
 	EF_MAX_BITS = 10
 };