diff --git a/patchoat/patchoat.h b/patchoat/patchoat.h
index a519631..e15a6bc 100644
--- a/patchoat/patchoat.h
+++ b/patchoat/patchoat.h
@@ -44,17 +44,7 @@
 
 class PatchOat {
  public:
-  // Patch only the oat file
-  static bool Patch(File* oat_in, off_t delta, File* oat_out, TimingLogger* timings,
-                    bool output_oat_opened_from_fd,  // Was this using --oatput-oat-fd ?
-                    bool new_oat_out);               // Output oat was a new file created by us?
-
-  // Patch only the image (art file)
-  static bool Patch(const std::string& art_location, off_t delta, File* art_out, InstructionSet isa,
-                    TimingLogger* timings);
-
-  // Patch both the image and the oat file
-  static bool Patch(const std::string& art_location,
+  static bool Patch(const std::string& image_location,
                     off_t delta,
                     const std::string& output_directory,
                     InstructionSet isa,
@@ -64,18 +54,11 @@
   PatchOat(PatchOat&&) = default;
 
  private:
-  // Takes ownership only of the ElfFile. All other pointers are only borrowed.
-  PatchOat(ElfFile* oat_file, off_t delta, TimingLogger* timings)
-      : oat_file_(oat_file), image_(nullptr), bitmap_(nullptr), heap_(nullptr), delta_(delta),
-        isa_(kNone), space_map_(nullptr), timings_(timings) {}
-  PatchOat(InstructionSet isa, MemMap* image, gc::accounting::ContinuousSpaceBitmap* bitmap,
-           MemMap* heap, off_t delta, TimingLogger* timings)
-      : image_(image), bitmap_(bitmap), heap_(heap),
-        delta_(delta), isa_(isa), space_map_(nullptr), timings_(timings) {}
-  PatchOat(InstructionSet isa, ElfFile* oat_file, MemMap* image,
+  // All pointers are only borrowed.
+  PatchOat(InstructionSet isa, MemMap* image,
            gc::accounting::ContinuousSpaceBitmap* bitmap, MemMap* heap, off_t delta,
            std::map<gc::space::ImageSpace*, std::unique_ptr<MemMap>>* map, TimingLogger* timings)
-      : oat_file_(oat_file), image_(image), bitmap_(bitmap), heap_(heap),
+      : image_(image), bitmap_(bitmap), heap_(heap),
         delta_(delta), isa_(isa), space_map_(map), timings_(timings) {}
 
   // Was the .art image at image_path made with --compile-pic ?
@@ -94,9 +77,7 @@
   // Attempt to replace the file with a symlink
   // Returns false if it fails
   static bool ReplaceOatFileWithSymlink(const std::string& input_oat_filename,
-                                        const std::string& output_oat_filename,
-                                        bool output_oat_opened_from_fd,
-                                        bool new_oat_out);  // Output oat was newly created?
+                                        const std::string& output_oat_filename);
 
   static void BitmapCallback(mirror::Object* obj, void* arg)
       REQUIRES_SHARED(Locks::mutator_lock_) {
@@ -108,13 +89,6 @@
   void FixupMethod(ArtMethod* object, ArtMethod* copy)
       REQUIRES_SHARED(Locks::mutator_lock_);
 
-  // Patches oat in place, modifying the oat_file given to the constructor.
-  bool PatchElf();
-  template <typename ElfFileImpl>
-  bool PatchElf(ElfFileImpl* oat_file);
-  template <typename ElfFileImpl>
-  bool PatchOatHeader(ElfFileImpl* oat_file);
-
   bool PatchImage(bool primary_image) REQUIRES_SHARED(Locks::mutator_lock_);
   void PatchArtFields(const ImageHeader* image_header) REQUIRES_SHARED(Locks::mutator_lock_);
   void PatchArtMethods(const ImageHeader* image_header) REQUIRES_SHARED(Locks::mutator_lock_);
@@ -128,7 +102,6 @@
   void PatchDexFileArrays(mirror::ObjectArray<mirror::Object>* img_roots)
       REQUIRES_SHARED(Locks::mutator_lock_);
 
-  bool WriteElf(File* out);
   bool WriteImage(File* out);
 
   template <typename T>
@@ -175,19 +148,6 @@
     return reinterpret_cast<T*>(ret);
   }
 
-  template <typename T>
-  T RelocatedAddressOfIntPointer(T obj) const {
-    if (obj == 0) {
-      return obj;
-    }
-    T ret = obj + delta_;
-    // Trim off high bits in case negative relocation with 64 bit patchoat.
-    if (Is32BitISA()) {
-      ret = static_cast<T>(static_cast<uint32_t>(ret));
-    }
-    return ret;
-  }
-
   bool Is32BitISA() const {
     return InstructionSetPointerSize(isa_) == PointerSize::k32;
   }
@@ -213,8 +173,6 @@
     mirror::Object* const copy_;
   };
 
-  // The elf file we are patching.
-  std::unique_ptr<ElfFile> oat_file_;
   // A mmap of the image we are patching. This is modified.
   const MemMap* const image_;
   // The bitmap over the image within the heap we are patching. This is not modified.