--- dyld/dyld-1235.2/cache_builder/Chunk.cpp
+++ dyld/dyld-1122.1/cache_builder/Chunk.cpp
@@ -112,32 +112,22 @@
     return nullptr;
 }
 
-const AlignChunk* Chunk::isAlignChunk() const
+const DylibSegmentChunk* Chunk::isDylibSegmentChunk() const
 {
     return nullptr;
 }
 
-const DylibSegmentChunk* Chunk::isDylibSegmentChunk() const
+const LinkeditDataChunk* Chunk::isLinkeditDataChunk() const
 {
     return nullptr;
 }
 
-const LinkeditDataChunk* Chunk::isLinkeditDataChunk() const
+StubsChunk* Chunk::isStubsChunk()
 {
     return nullptr;
 }
 
-StubsChunk* Chunk::isStubsChunk()
-{
-    return nullptr;
-}
-
 UniquedGOTsChunk* Chunk::isUniquedGOTsChunk()
-{
-    return nullptr;
-}
-
-const DylibSegmentChunk* Chunk::isTPROChunk() const
 {
     return nullptr;
 }
@@ -465,30 +455,6 @@
 }
 
 //
-// MARK: --- PointerHashTableChunk methods ---
-//
-
-PointerHashTableChunk::PointerHashTableChunk()
-    : Chunk(Kind::pointerHashTable, Alignment::struct64)
-{
-}
-
-PointerHashTableChunk::~PointerHashTableChunk()
-{
-
-}
-
-void PointerHashTableChunk::dump() const
-{
-    printf("PointerHashTableChunk\n");
-}
-
-const char* PointerHashTableChunk::name() const
-{
-    return "pointer hash table";
-}
-
-//
 // MARK: --- ObjCProtocolHashTableChunk methods ---
 //
 
@@ -707,13 +673,6 @@
 const DylibSegmentChunk* DylibSegmentChunk::isDylibSegmentChunk() const
 {
     return this;
-}
-
-const DylibSegmentChunk* DylibSegmentChunk::isTPROChunk() const
-{
-    if ( this->kind == Kind::tproDataConst )
-        return this;
-    return nullptr;
 }
 
 //
@@ -920,34 +879,3 @@
 {
     return true;
 }
-
-//
-// MARK: --- AlignChunk methods ---
-//
-
-AlignChunk::AlignChunk()
-    : Chunk(Kind::align, Alignment::page)
-{
-    // This never has a size so just set it now
-    this->cacheVMSize = CacheVMSize(0ULL);
-    this->subCacheFileSize = CacheFileSize(0ULL);
-}
-
-AlignChunk::~AlignChunk()
-{
-
-}
-
-void AlignChunk::dump() const
-{
-    printf("AlignChunk\n");
-}
-
-const char* AlignChunk::name() const
-{
-    return "align";
-}
-
-const AlignChunk* AlignChunk::isAlignChunk() const {
-    return this;
-}