diff --git a/Source/Reflection.cs b/Source/Reflection.cs
index f3ae56f..1d62030 100644
--- a/Source/Reflection.cs
+++ b/Source/Reflection.cs
@@ -53,13 +53,6 @@ public static float BioSelectionWeight(PawnBio b) {
                     new object[] { b }
                 );
             }
-            public static void FillBackstorySlotShuffled(Verse.Pawn pawn, BackstorySlot slot, ref Backstory backstory, Backstory backstoryOtherSlot, List<BackstoryCategoryFilter> backstoryCategories, FactionDef factionType) {
-                ReflectionCache.Instance.PawnBioAndNameGenerator_FillBackstorySlotShuffled.Invoke(null,
-                    new object[] {
-                        pawn, slot, backstory, backstoryOtherSlot, backstoryCategories, factionType, null
-                    }
-                );
-            }
             public static List<BackstoryCategoryFilter> GetBackstoryCategoryFiltersFor(Verse.Pawn pawn, FactionDef faction) {
                 return (List<BackstoryCategoryFilter>)ReflectionCache.Instance.PawnBioAndNameGenerator_GetBackstoryCategoryFiltersFor.Invoke(null,
                     new object[] { pawn, faction }
diff --git a/Source/ReflectionCache.cs b/Source/ReflectionCache.cs
index c041350..5cfcb95 100644
--- a/Source/ReflectionCache.cs
+++ b/Source/ReflectionCache.cs
@@ -15,7 +15,6 @@ public class ReflectionCache {
         public MethodInfo CharacterCardUtility_WorkTagsFrom { get; set; }
         public MethodInfo GenFilePaths_FolderUnderSaveData { get; set; }
         public MethodInfo PawnBioAndNameGenerator_BioSelectionWeight { get; set; }
-        public MethodInfo PawnBioAndNameGenerator_FillBackstorySlotShuffled { get; set; }
         public MethodInfo PawnBioAndNameGenerator_GetBackstoryCategoryFiltersFor { get; set; }
         public MethodInfo PawnBioAndNameGenerator_IsBioUseable { get; set; }
         public MethodInfo PawnBioAndNameGenerator_TryGetRandomUnusedSolidBioFor { get; set; }
@@ -44,9 +43,6 @@ public void Initialize() {
             GraphicDatabaseHeadRecords_BuildDatabaseIfNecessary = ReflectionUtil.RequiredMethod(typeof(GraphicDatabaseHeadRecords), "BuildDatabaseIfNecessary");
             GenFilePaths_FolderUnderSaveData = ReflectionUtil.RequiredMethod(typeof(GenFilePaths), "FolderUnderSaveData", new Type[] { typeof(string) });
 
-            PawnBioAndNameGenerator_FillBackstorySlotShuffled = ReflectionUtil.RequiredMethod(typeof(PawnBioAndNameGenerator), "FillBackstorySlotShuffled",
-                new Type[] { typeof(Pawn), typeof(BackstorySlot), typeof(Backstory).MakeByRefType(), typeof(Backstory), typeof(List<BackstoryCategoryFilter>), typeof(FactionDef), typeof(Nullable<BackstorySlot>) });
-
             PawnBioAndNameGenerator_GetBackstoryCategoryFiltersFor = ReflectionUtil.RequiredMethod(typeof(PawnBioAndNameGenerator), "GetBackstoryCategoryFiltersFor",
                 new Type[] { typeof(Pawn), typeof(FactionDef) });