diff --git a/core/src/com/unciv/logic/map/mapgenerator/NaturalWonderGenerator.kt b/core/src/com/unciv/logic/map/mapgenerator/NaturalWonderGenerator.kt
index 6ed5eba4db..f679290e98 100644
--- a/core/src/com/unciv/logic/map/mapgenerator/NaturalWonderGenerator.kt
+++ b/core/src/com/unciv/logic/map/mapgenerator/NaturalWonderGenerator.kt
@@ -150,18 +150,14 @@ class NaturalWonderGenerator(val ruleset: Ruleset, val randomness: MapGeneration
                 clearTile(location, wonder.occursOn)
             }
 
-            val conversionUniques = wonder.getMatchingUniques(UniqueType.NaturalWonderConvertNeighbors, StateForConditionals.IgnoreConditionals) +
-                wonder.getMatchingUniques(UniqueType.NaturalWonderConvertNeighborsExcept, StateForConditionals.IgnoreConditionals)
+            val conversionUniques = wonder.getMatchingUniques(UniqueType.NaturalWonderConvertNeighbors, StateForConditionals.IgnoreConditionals)
             if (conversionUniques.none()) return
 
             for (tile in location.neighbors) {
                 val state = StateForConditionals(tile = tile)
                 for (unique in conversionUniques) {
                     if (!unique.conditionalsApply(state)) continue
-                    val convertTo = if (unique.type == UniqueType.NaturalWonderConvertNeighborsExcept) {
-                        if (tile.matchesWonderFilter(unique.params[0])) continue
-                        unique.params[1]
-                    } else unique.params[0]
+                    val convertTo = unique.params[0]
                     if (tile.baseTerrain == convertTo || convertTo in tile.terrainFeatures) continue
                     if (convertTo == Constants.lakes && tile.isCoastalTile()) continue
                     val terrainObject = location.ruleset.terrains[convertTo] ?: continue
diff --git a/core/src/com/unciv/models/ruleset/unique/UniqueType.kt b/core/src/com/unciv/models/ruleset/unique/UniqueType.kt
index 7ff66114a2..cae79a50a1 100644
--- a/core/src/com/unciv/models/ruleset/unique/UniqueType.kt
+++ b/core/src/com/unciv/models/ruleset/unique/UniqueType.kt
@@ -539,10 +539,6 @@ enum class UniqueType(
     NaturalWonderConvertNeighbors("Neighboring tiles will convert to [baseTerrain/terrainFeature]", UniqueTarget.Terrain, flags = UniqueFlag.setOfHiddenToUsers,
         docDescription = "Supports conditionals that need only a Tile as context and nothing else, like `<with [n]% chance>`, and applies them per neighbor." +
             "\nIf your mod renames Coast or Lakes, do not use this with one of these as parameter, as the code preventing artifacts won't work."),
-    @Deprecated("As of 4.12.19", ReplaceWith("Neighboring tiles will convert to [baseTerrain/terrainFeature] <in tiles without [simpleTerrain]>"))
-    NaturalWonderConvertNeighborsExcept("Neighboring tiles except [simpleTerrain] will convert to [baseTerrain/terrainFeature]", UniqueTarget.Terrain, flags = UniqueFlag.setOfHiddenToUsers,
-        docDescription = "Supports conditionals that need only a Tile as context and nothing else, like `<with [n]% chance>`, and applies them per neighbor." +
-            "\nIf your mod renames Coast or Lakes, do not use this with one of these as parameter, as the code preventing artifacts won't work."),
     GrantsStatsToFirstToDiscover("Grants [stats] to the first civilization to discover it", UniqueTarget.Terrain),
 
     // General terrain
@@ -998,6 +994,10 @@ enum class UniqueType(
     // endregion
 
     ///////////////////////////////////////////// region 99 DEPRECATED AND REMOVED /////////////////////////////////////////////
+    @Deprecated("As of 4.12.19", ReplaceWith("Neighboring tiles will convert to [baseTerrain/terrainFeature] <in tiles without [simpleTerrain]>"), DeprecationLevel.ERROR)
+    NaturalWonderConvertNeighborsExcept("Neighboring tiles except [simpleTerrain] will convert to [baseTerrain/terrainFeature]", UniqueTarget.Terrain, flags = UniqueFlag.setOfHiddenToUsers,
+        docDescription = "Supports conditionals that need only a Tile as context and nothing else, like `<with [n]% chance>`, and applies them per neighbor." +
+                "\nIf your mod renames Coast or Lakes, do not use this with one of these as parameter, as the code preventing artifacts won't work."),
     @Deprecated("As of 4.12.16", ReplaceWith("in tiles adjacent to [tileFilter] tiles"), DeprecationLevel.ERROR)
     ConditionalAdjacentToOld("in tiles adjacent to [tileFilter]", UniqueTarget.Conditional),
     @Deprecated("As of 4.12.16", ReplaceWith("in tiles not adjacent to [tileFilter] tiles"), DeprecationLevel.ERROR)