--- dyld/dyld-1165.3/cache_builder/Chunk.cpp
+++ dyld/dyld-1066.8/cache_builder/Chunk.cpp
@@ -263,30 +263,6 @@
 }
 
 //
-// MARK: --- ObjCImageInfoChunk methods ---
-//
-
-ObjCImageInfoChunk::ObjCImageInfoChunk()
-    : Chunk(Kind::objcHeaderInfoRO, Alignment::struct64)
-{
-}
-
-ObjCImageInfoChunk::~ObjCImageInfoChunk()
-{
-
-}
-
-void ObjCImageInfoChunk::dump() const
-{
-    printf("ObjCImageInfoChunk\n");
-}
-
-const char* ObjCImageInfoChunk::name() const
-{
-    return "objc image info";
-}
-
-//
 // MARK: --- ObjCHeaderInfoReadOnlyChunk methods ---
 //
 
@@ -501,30 +477,6 @@
 {
     return "objc canonical protocols";
 }
-//
-// MARK: --- ObjCCategoriesChunk methods ---
-//
-
-ObjCPreAttachedCategoriesChunk::ObjCPreAttachedCategoriesChunk()
-    : SlidChunk(Kind::objcPreAttachedCategories, (uint64_t)Alignment::struct64)
-{
-}
-
-ObjCPreAttachedCategoriesChunk::~ObjCPreAttachedCategoriesChunk()
-{
-
-}
-
-void ObjCPreAttachedCategoriesChunk::dump() const
-{
-    printf("ObjCPreAttachedCategoriesChunk\n");
-}
-
-const char* ObjCPreAttachedCategoriesChunk::name() const
-{
-    return "objc pre-attached categories";
-}
-
 
 //
 // MARK: --- ObjCIMPCachesChunk methods ---