diff --git a/config/factions/castle.json b/config/factions/castle.json
index f7f9108ee..afc78bf68 100644
--- a/config/factions/castle.json
+++ b/config/factions/castle.json
@@ -147,8 +147,8 @@
 			"warMachine" : "ballista",
 			"moatDamage" : 70,
 			"moatHexes" : [ 11, 28, 44, 61, 77, 111, 129, 146, 164, 181 ],
+			// primaryResource not specified so town get both Wood and Ore for resource bonus
 
-			"primaryResource": "ore",
 			"buildings" :
 			{
 				"mageGuild1":     { "id" : 0 },
diff --git a/config/factions/fortress.json b/config/factions/fortress.json
index ec13b2efe..78c8a1a19 100644
--- a/config/factions/fortress.json
+++ b/config/factions/fortress.json
@@ -144,10 +144,10 @@
 			],
 			"horde" : [ 0, -1 ],
 			"mageGuild" : 3,
-			"primaryResource":"ore",
 			"warMachine" : "firstAidTent",
 			"moatDamage" : 90,
 			"moatHexes" : [ 10, 11, 27, 28, 43, 44, 60, 61, 76, 77, 94, 110, 111, 128, 129, 145, 146, 163, 164, 180, 181 ],
+			// primaryResource not specified so town get both Wood and Ore for resource bonus
 
 			"buildings" :
 			{
diff --git a/config/factions/necropolis.json b/config/factions/necropolis.json
index bb243afbb..d43789433 100644
--- a/config/factions/necropolis.json
+++ b/config/factions/necropolis.json
@@ -148,10 +148,10 @@
 			],
 			"horde" : [ 0, -1 ],
 			"mageGuild" : 5,
-			"primaryResource": "ore",
 			"warMachine" : "firstAidTent",
 			"moatDamage" : 70,
 			"moatHexes" : [ 11, 28, 44, 61, 77, 111, 129, 146, 164, 181 ],
+			// primaryResource not specified so town get both Wood and Ore for resource bonus
 
 			"buildings" :
 			{
diff --git a/config/factions/stronghold.json b/config/factions/stronghold.json
index f694b5e4c..61d27bde2 100644
--- a/config/factions/stronghold.json
+++ b/config/factions/stronghold.json
@@ -118,7 +118,6 @@
 			"defaultTavern" : 5,
 			"tavernVideo" : "TAVERN.BIK",
 			"guildBackground" : "TPMAGE.bmp",
-			"primaryResource": "ore",
 			"townBackground": "TBSTBACK.bmp",
 			"guildWindow": "TPMAGEST.bmp",
 			"buildingsIcons": "HALLSTRN.DEF",
@@ -146,6 +145,7 @@
 			"warMachine" : "ammoCart",
 			"moatDamage" : 70,
 			"moatHexes" : [ 11, 28, 44, 61, 77, 111, 129, 146, 164, 181 ],
+			// primaryResource not specified so town get both Wood and Ore for resource bonus
 
 			"buildings" :
 			{