diff --git a/src/company_base.h b/src/company_base.h
--- a/src/company_base.h
+++ b/src/company_base.h
@@ -84,11 +84,6 @@ struct Company : CompanyPool::PoolItem<&
 #define FOR_ALL_COMPANIES_FROM(var, start) FOR_ALL_ITEMS_FROM(Company, company_index, var, start)
 #define FOR_ALL_COMPANIES(var) FOR_ALL_COMPANIES_FROM(var, 0)
 
-static inline byte ActiveCompanyCount()
-{
-	return (byte)Company::GetNumItems();
-}
-
 Money CalculateCompanyValue(const Company *c);
 
 extern uint _next_competitor_start;