diff --git a/core/src/com/unciv/logic/battle/BattleDamage.kt b/core/src/com/unciv/logic/battle/BattleDamage.kt
index 902ca3c17a..4d7c02cf01 100644
--- a/core/src/com/unciv/logic/battle/BattleDamage.kt
+++ b/core/src/com/unciv/logic/battle/BattleDamage.kt
@@ -201,8 +201,7 @@ object BattleDamage {
     private fun getTileSpecificModifiers(unit: MapUnitCombatant, tile: TileInfo): Counter<String> {
         val modifiers = Counter<String>()
 
-        for (unique in unit.unit.getMatchingUniques("+[]% combat bonus in []") // deprecated as of 3.14.1 - changed to "+[]% Strength in []"
-                + unit.unit.getMatchingUniques("+[]% Strength in []")
+        for (unique in unit.unit.getMatchingUniques("+[]% Strength in []")
                 + unit.getCivInfo().getMatchingUniques("+[]% combat bonus for units fighting in []")) {
             val filter = unique.params[1]
             if (tile.matchesUniqueFilter(filter, unit.getCivInfo()))
@@ -220,13 +219,6 @@ object BattleDamage {
             modifiers["Haka War Dance"] = -10
 
 
-        // Deprecated as of 3.14.1 - changed to "+[15]% Strength in [Rough terrain]"
-        val isRoughTerrain = tile.isRoughTerrain()
-        for (BDM in getBattleDamageModifiersOfUnit(unit.unit)) {
-            val text = BDM.getText()
-            if (BDM.vs == "units in open terrain" && !isRoughTerrain) modifiers.add(text, (BDM.modificationAmount).toInt())
-            if (BDM.vs == "units in rough terrain" && isRoughTerrain) modifiers.add(text, (BDM.modificationAmount).toInt())
-        }
 
         return modifiers
     }
diff --git a/core/src/com/unciv/logic/city/CityStats.kt b/core/src/com/unciv/logic/city/CityStats.kt
index be4b42f815..bc2fdcd1f6 100644
--- a/core/src/com/unciv/logic/city/CityStats.kt
+++ b/core/src/com/unciv/logic/city/CityStats.kt
@@ -161,9 +161,6 @@ class CityStats {
         // This requires more... complex navigation of the local uniques to merge into "+[amount]% growth [cityFilter]"
         for (unique in cityInfo.civInfo.getMatchingUniques("+[]% growth in all cities"))
             bonus += unique.params[0].toFloat()
-        // Deprecated as of 3.12.13 -> moved to "+[amount]% growth [in capital]"
-        if (cityInfo.isCapital()) for (unique in cityInfo.civInfo.getMatchingUniques("+[]% growth in capital"))
-            bonus += unique.params[0].toFloat()
 
         // "+[amount]% growth [cityFilter]"
         for (unique in cityInfo.civInfo.getMatchingUniques("+[]% growth []"))
@@ -201,12 +198,7 @@ class CityStats {
 
         newHappinessList["Population"] = -unhappinessFromCitizens * unhappinessModifier
 
-        var happinessFromPolicies = 0f
-        // Deprecated as of 3.12.13 - replaced by "[+1 Happiness] [in all cities connected to capital]"
-        if (civInfo.hasUnique("+1 happiness for every city connected to capital")
-                && cityInfo.isConnectedToCapital())
-            happinessFromPolicies += 1f
-        happinessFromPolicies += getStatsFromUniques(civInfo.policies.policyUniques.getAllUniques()).happiness
+        var happinessFromPolicies = getStatsFromUniques(civInfo.policies.policyUniques.getAllUniques()).happiness
 
         newHappinessList["Policies"] = happinessFromPolicies
 
@@ -258,13 +250,6 @@ class CityStats {
         val stats = Stats()
 
         for (unique in uniques.toList()) { // Should help  mitigate getConstructionButtonDTOs concurrency problems.
-
-            // Deprecated by 3.12.13 - replaced by "[stats] [cityFilter]"
-            if (unique.placeholderText == "[] in capital" && cityInfo.isCapital()
-                    || unique.placeholderText == "[] in all cities"
-                    || unique.placeholderText == "[] in all cities with a garrison" && cityInfo.getCenterTile().militaryUnit != null)
-                stats.add(unique.stats)
-
             // "[stats] [cityFilter]"
             if (unique.placeholderText == "[] []" && cityInfo.matchesFilter(unique.params[1]))
                 stats.add(unique.stats)
@@ -274,18 +259,6 @@ class CityStats {
                 val amountOfEffects = (cityInfo.population.population / unique.params[1].toInt()).toFloat()
                 stats.add(unique.stats.times(amountOfEffects))
             }
-
-            // Deprecated by 3.12.13 - replaced by "[] per [] population [in all cities]"
-            if (unique.placeholderText == "[] per [] population in all cities") {
-                val amountOfEffects = (cityInfo.population.population / unique.params[1].toInt()).toFloat()
-                stats.add(unique.stats.times(amountOfEffects))
-            }
-
-            // Deprecated by 3.12.13 - replaced by "[+1 Gold, +1 Happiness] per [2] population [in capital]"
-            if (unique.text == "+1 gold and -1 unhappiness for every 2 citizens in capital" && cityInfo.isCapital()) {
-                stats.gold += (cityInfo.population.population / 2).toFloat()
-                stats.happiness += (cityInfo.population.population / 2).toFloat()
-            }
         }
 
         return stats
diff --git a/core/src/com/unciv/logic/civilization/diplomacy/DiplomacyManager.kt b/core/src/com/unciv/logic/civilization/diplomacy/DiplomacyManager.kt
index ba2a572b3e..f57f89fcae 100644
--- a/core/src/com/unciv/logic/civilization/diplomacy/DiplomacyManager.kt
+++ b/core/src/com/unciv/logic/civilization/diplomacy/DiplomacyManager.kt
@@ -201,10 +201,6 @@ class DiplomacyManager() {
             else -> 1f
         }
 
-        // Deprecated at 3.12.11 in favor of "City-State Influence degrades [50]% slower"
-        if (otherCiv().hasUnique("City-State Influence degrades at half rate"))
-            modifier *= .5f
-
         for (unique in otherCiv().getMatchingUniques("City-State Influence degrades []% slower"))
             modifier *= (100f - unique.params[0].toInt()) / 100