diff --git a/core/src/com/unciv/models/ruleset/unique/UniqueType.kt b/core/src/com/unciv/models/ruleset/unique/UniqueType.kt
index dd2241afb8..9d55e5060c 100644
--- a/core/src/com/unciv/models/ruleset/unique/UniqueType.kt
+++ b/core/src/com/unciv/models/ruleset/unique/UniqueType.kt
@@ -363,8 +363,6 @@ enum class UniqueType(val text: String, vararg targets: UniqueTarget, val flags:
     MayFoundReligion("May found a religion", UniqueTarget.Unit),
     MayEnhanceReligion("May enhance a religion", UniqueTarget.Unit),
 
-    @Deprecated("as of 4.5.3", ReplaceWith("Empire enters a [amount]-turn Golden Age <by consuming this unit>"))
-    StartGoldenAge("Can start an [amount]-turn golden age", UniqueTarget.Unit),
     AddInCapital("Can be added to [comment] in the Capital", UniqueTarget.Unit),
     PreventSpreadingReligion("Prevents spreading of religion to the city it is next to", UniqueTarget.Unit),
     RemoveOtherReligions("Removes other religions when spreading religion", UniqueTarget.Unit),
@@ -807,6 +805,8 @@ enum class UniqueType(val text: String, vararg targets: UniqueTarget, val flags:
 
     // region DEPRECATED AND REMOVED
 
+    @Deprecated("as of 4.5.3", ReplaceWith("Empire enters a [amount]-turn Golden Age <by consuming this unit>"), DeprecationLevel.ERROR)
+    StartGoldenAge("Can start an [amount]-turn golden age", UniqueTarget.Unit),
     @Deprecated("as of 4.5.2", ReplaceWith("Can instantly construct a [improvementName] improvement <by consuming this unit>"), DeprecationLevel.ERROR)
     ConstructImprovementConsumingUnit("Can construct [improvementName]", UniqueTarget.Unit),
     @Deprecated("as of 4.3.9", ReplaceWith("Costs [amount] [stats] per turn when in your territory"), DeprecationLevel.ERROR)
diff --git a/core/src/com/unciv/ui/screens/worldscreen/unit/actions/UnitActionsGreatPerson.kt b/core/src/com/unciv/ui/screens/worldscreen/unit/actions/UnitActionsGreatPerson.kt
index 30f27e1b4d..5678bd289a 100644
--- a/core/src/com/unciv/ui/screens/worldscreen/unit/actions/UnitActionsGreatPerson.kt
+++ b/core/src/com/unciv/ui/screens/worldscreen/unit/actions/UnitActionsGreatPerson.kt
@@ -26,16 +26,6 @@ object UnitActionsGreatPerson {
                             && !unit.civ.tech.currentTechnology()!!.hasUnique(UniqueType.CannotBeHurried) }
                 )
             }
-            UniqueType.StartGoldenAge -> {
-                val turnsToGoldenAge = unique.params[0].toInt()
-                actionList += UnitAction(
-                    UnitActionType.StartGoldenAge,
-                    action = {
-                        unit.civ.goldenAges.enterGoldenAge(turnsToGoldenAge)
-                        unit.consume()
-                    }.takeIf { unit.currentTile.getOwner() != null && unit.currentTile.getOwner() == unit.civ }
-                )
-            }
             UniqueType.CanSpeedupWonderConstruction -> {
                 val canHurryWonder =
                         if (!tile.isCityCenter()) false