diff --git a/wadsrc/static/mapinfo/common.txt b/wadsrc/static/mapinfo/common.txt
index 6982a5bce..f079ee6e6 100644
--- a/wadsrc/static/mapinfo/common.txt
+++ b/wadsrc/static/mapinfo/common.txt
@@ -136,7 +136,6 @@ DoomEdNums
   9872 = SpotLightFlickerAttenuated
   9873 = SectorSpotLightAttenuated
   9874 = SpotLightFlickerRandomAttenuated
-  9875 = None	// ZDRay light probe
   9876 = None	// ZDRay static point light
   9881 = None	// ZDRay static spotlight
   9890 = None	// ZDRayInfo