diff --git a/src/industry.h b/src/industry.h
--- a/src/industry.h
+++ b/src/industry.h
@@ -105,7 +105,7 @@ struct Industry {
 	uint16 last_month_transported[2];   ///< total units transported per cargo in the last full month
 	uint16 counter;                     ///< used for animation and/or production (if available cargo)
 
-	IndustryType type;                  ///< type of industry. see IT_COAL_MINE and others
+	IndustryType type;                  ///< type of industry.
 	OwnerByte owner;                    ///< owner of the industry.  Which SHOULD always be (imho) OWNER_NONE
 	byte random_color;                  ///< randomized colour of the industry, for display purpose
 	Year last_prod_year;                ///< last year of production
@@ -332,46 +332,6 @@ static inline void DeleteIndustry(Indust
 extern const Industry **_industry_sort;
 extern bool _industry_sort_dirty;
 
-enum {
-	IT_COAL_MINE           =   0,
-	IT_POWER_STATION       =   1,
-	IT_SAWMILL             =   2,
-	IT_FOREST              =   3,
-	IT_OIL_REFINERY        =   4,
-	IT_OIL_RIG             =   5,
-	IT_FACTORY             =   6,
-	IT_PRINTING_WORKS      =   7,
-	IT_STEEL_MILL          =   8,
-	IT_FARM                =   9,
-	IT_COPPER_MINE         =  10,
-	IT_OIL_WELL            =  11,
-	IT_BANK_TEMP           =  12,
-	IT_FOOD_PROCESS        =  13,
-	IT_PAPER_MILL          =  14,
-	IT_GOLD_MINE           =  15,
-	IT_BANK_TROPIC_ARCTIC  =  16,
-	IT_DIAMOND_MINE        =  17,
-	IT_IRON_MINE           =  18,
-	IT_FRUIT_PLANTATION    =  19,
-	IT_RUBBER_PLANTATION   =  20,
-	IT_WATER_SUPPLY        =  21,
-	IT_WATER_TOWER         =  22,
-	IT_FACTORY_2           =  23,
-	IT_FARM_2              =  24,
-	IT_LUMBER_MILL         =  25,
-	IT_COTTON_CANDY        =  26,
-	IT_CANDY_FACTORY       =  27,
-	IT_BATTERY_FARM        =  28,
-	IT_COLA_WELLS          =  29,
-	IT_TOY_SHOP            =  30,
-	IT_TOY_FACTORY         =  31,
-	IT_PLASTIC_FOUNTAINS   =  32,
-	IT_FIZZY_DRINK_FACTORY =  33,
-	IT_BUBBLE_GENERATOR    =  34,
-	IT_TOFFEE_QUARRY       =  35,
-	IT_SUGAR_MINE          =  36,
-	IT_END,
-	IT_INVALID             = 255,
-};
+static const uint8 IT_INVALID = 255;
 
 #endif /* INDUSTRY_H */