diff --git a/lld/MachO/Driver.cpp b/lld/MachO/Driver.cpp
--- a/lld/MachO/Driver.cpp
+++ b/lld/MachO/Driver.cpp
@@ -589,13 +589,12 @@
     fatal("must specify -arch");
   PlatformKind platform = parsePlatformVersion(args);
 
-  config->target =
-      MachO::Target(MachO::getArchitectureFromName(archName), platform);
+  config->target = Target(getArchitectureFromName(archName), platform);
 
-  switch (MachO::getCPUTypeFromArchitecture(config->target.Arch).first) {
-  case MachO::CPU_TYPE_X86_64:
+  switch (getCPUTypeFromArchitecture(config->target.Arch).first) {
+  case CPU_TYPE_X86_64:
     return createX86_64TargetInfo();
-  case MachO::CPU_TYPE_ARM64:
+  case CPU_TYPE_ARM64:
     return createARM64TargetInfo();
   default:
     fatal("missing or unsupported -arch " + archName);
diff --git a/lld/MachO/DriverUtils.cpp b/lld/MachO/DriverUtils.cpp
--- a/lld/MachO/DriverUtils.cpp
+++ b/lld/MachO/DriverUtils.cpp
@@ -24,6 +24,7 @@
 #include "llvm/Option/Option.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Path.h"
+#include "llvm/TextAPI/MachO/InterfaceFile.h"
 #include "llvm/TextAPI/MachO/TextAPIReader.h"
 
 using namespace llvm;
diff --git a/lld/MachO/InputFiles.h b/lld/MachO/InputFiles.h
--- a/lld/MachO/InputFiles.h
+++ b/lld/MachO/InputFiles.h
@@ -19,7 +19,6 @@
 #include "llvm/DebugInfo/DWARF/DWARFUnit.h"
 #include "llvm/Object/Archive.h"
 #include "llvm/Support/MemoryBuffer.h"
-#include "llvm/TextAPI/MachO/InterfaceFile.h"
 #include "llvm/TextAPI/MachO/TextAPIReader.h"
 
 #include <map>
@@ -29,6 +28,9 @@
 namespace lto {
 class InputFile;
 } // namespace lto
+namespace MachO {
+class InterfaceFile;
+} // namespace MachO
 class TarWriter;
 } // namespace llvm
 
@@ -78,8 +80,7 @@
   InputFile(Kind kind, MemoryBufferRef mb)
       : mb(mb), id(idCount++), fileKind(kind), name(mb.getBufferIdentifier()) {}
 
-  InputFile(Kind kind, const llvm::MachO::InterfaceFile &interface)
-      : id(idCount++), fileKind(kind), name(saver.save(interface.getPath())) {}
+  InputFile(Kind, const llvm::MachO::InterfaceFile &);
 
 private:
   const Kind fileKind;
diff --git a/lld/MachO/InputFiles.cpp b/lld/MachO/InputFiles.cpp
--- a/lld/MachO/InputFiles.cpp
+++ b/lld/MachO/InputFiles.cpp
@@ -67,6 +67,7 @@
 #include "llvm/Support/Path.h"
 #include "llvm/Support/TarWriter.h"
 #include "llvm/TextAPI/MachO/Architecture.h"
+#include "llvm/TextAPI/MachO/InterfaceFile.h"
 
 using namespace llvm;
 using namespace llvm::MachO;
@@ -111,9 +112,9 @@
 
   // If this is a regular non-fat file, return it.
   const char *buf = mbref.getBufferStart();
-  auto *hdr = reinterpret_cast<const MachO::fat_header *>(buf);
+  const auto *hdr = reinterpret_cast<const fat_header *>(buf);
   if (mbref.getBufferSize() < sizeof(uint32_t) ||
-      read32be(&hdr->magic) != MachO::FAT_MAGIC) {
+      read32be(&hdr->magic) != FAT_MAGIC) {
     if (tar)
       tar->append(relativeToRoot(path), mbref.getBuffer());
     return mbref;
@@ -123,7 +124,7 @@
   // multiple real files for different CPU ISAs. Here, we search for a
   // file that matches with the current link target and returns it as
   // a MemoryBufferRef.
-  auto *arch = reinterpret_cast<const MachO::fat_arch *>(buf + sizeof(*hdr));
+  const auto *arch = reinterpret_cast<const fat_arch *>(buf + sizeof(*hdr));
 
   for (uint32_t i = 0, n = read32be(&hdr->nfat_arch); i < n; ++i) {
     if (reinterpret_cast<const char *>(arch + i + 1) >
@@ -149,6 +150,9 @@
   return None;
 }
 
+InputFile::InputFile(Kind kind, const InterfaceFile &interface)
+    : id(idCount++), fileKind(kind), name(saver.save(interface.getPath())) {}
+
 void ObjFile::parseSections(ArrayRef<section_64> sections) {
   subsections.reserve(sections.size());
   auto *buf = reinterpret_cast<const uint8_t *>(mb.getBufferStart());
@@ -500,8 +504,7 @@
   auto *buf = reinterpret_cast<const uint8_t *>(mb.getBufferStart());
   auto *hdr = reinterpret_cast<const mach_header_64 *>(mb.getBufferStart());
 
-  MachO::Architecture arch =
-      MachO::getArchitectureFromCpuType(hdr->cputype, hdr->cpusubtype);
+  Architecture arch = getArchitectureFromCpuType(hdr->cputype, hdr->cpusubtype);
   if (arch != config->target.Arch) {
     error(toString(this) + " has architecture " + getArchitectureName(arch) +
           " which is incompatible with target architecture " +
diff --git a/lld/MachO/InputSection.cpp b/lld/MachO/InputSection.cpp
--- a/lld/MachO/InputSection.cpp
+++ b/lld/MachO/InputSection.cpp
@@ -90,11 +90,11 @@
 }
 
 bool macho::isCodeSection(InputSection *isec) {
-  uint32_t type = isec->flags & MachO::SECTION_TYPE;
+  uint32_t type = isec->flags & SECTION_TYPE;
   if (type != S_REGULAR && type != S_COALESCED)
     return false;
 
-  uint32_t attr = isec->flags & MachO::SECTION_ATTRIBUTES_USR;
+  uint32_t attr = isec->flags & SECTION_ATTRIBUTES_USR;
   if (attr == S_ATTR_PURE_INSTRUCTIONS)
     return true;
 
diff --git a/lld/MachO/MergedOutputSection.cpp b/lld/MachO/MergedOutputSection.cpp
--- a/lld/MachO/MergedOutputSection.cpp
+++ b/lld/MachO/MergedOutputSection.cpp
@@ -54,19 +54,18 @@
 // are actually merged. The logic presented here was written without
 // any form of informed research.
 void MergedOutputSection::mergeFlags(uint32_t inputFlags) {
-  uint8_t sectionFlag = MachO::SECTION_TYPE & inputFlags;
-  if (sectionFlag != (MachO::SECTION_TYPE & flags))
+  uint8_t sectionFlag = SECTION_TYPE & inputFlags;
+  if (sectionFlag != (SECTION_TYPE & flags))
     error("Cannot add merge section; inconsistent type flags " +
           Twine(sectionFlag));
 
-  uint32_t inconsistentFlags =
-      MachO::S_ATTR_DEBUG | MachO::S_ATTR_STRIP_STATIC_SYMS |
-      MachO::S_ATTR_NO_DEAD_STRIP | MachO::S_ATTR_LIVE_SUPPORT;
+  uint32_t inconsistentFlags = S_ATTR_DEBUG | S_ATTR_STRIP_STATIC_SYMS |
+                               S_ATTR_NO_DEAD_STRIP | S_ATTR_LIVE_SUPPORT;
   if ((inputFlags ^ flags) & inconsistentFlags)
     error("Cannot add merge section; cannot merge inconsistent flags");
 
   // Negate pure instruction presence if any section isn't pure.
-  uint32_t pureMask = ~MachO::S_ATTR_PURE_INSTRUCTIONS | (inputFlags & flags);
+  uint32_t pureMask = ~S_ATTR_PURE_INSTRUCTIONS | (inputFlags & flags);
 
   // Merge the rest
   flags |= inputFlags;
diff --git a/lld/MachO/SyntheticSections.cpp b/lld/MachO/SyntheticSections.cpp
--- a/lld/MachO/SyntheticSections.cpp
+++ b/lld/MachO/SyntheticSections.cpp
@@ -31,6 +31,7 @@
 #endif
 
 using namespace llvm;
+using namespace llvm::MachO;
 using namespace llvm::support;
 using namespace llvm::support::endian;
 using namespace lld;
@@ -55,53 +56,53 @@
 }
 
 uint64_t MachHeaderSection::getSize() const {
-  return sizeof(MachO::mach_header_64) + sizeOfCmds + config->headerPad;
+  return sizeof(mach_header_64) + sizeOfCmds + config->headerPad;
 }
 
 static uint32_t cpuSubtype() {
   uint32_t subtype = target->cpuSubtype;
 
-  if (config->outputType == MachO::MH_EXECUTE && !config->staticLink &&
-      target->cpuSubtype == MachO::CPU_SUBTYPE_X86_64_ALL &&
-      config->target.Platform == MachO::PlatformKind::macOS &&
+  if (config->outputType == MH_EXECUTE && !config->staticLink &&
+      target->cpuSubtype == CPU_SUBTYPE_X86_64_ALL &&
+      config->target.Platform == PlatformKind::macOS &&
       config->platformInfo.minimum >= VersionTuple(10, 5))
-    subtype |= MachO::CPU_SUBTYPE_LIB64;
+    subtype |= CPU_SUBTYPE_LIB64;
 
   return subtype;
 }
 
 void MachHeaderSection::writeTo(uint8_t *buf) const {
-  auto *hdr = reinterpret_cast<MachO::mach_header_64 *>(buf);
-  hdr->magic = MachO::MH_MAGIC_64;
+  auto *hdr = reinterpret_cast<mach_header_64 *>(buf);
+  hdr->magic = MH_MAGIC_64;
   hdr->cputype = target->cpuType;
   hdr->cpusubtype = cpuSubtype();
   hdr->filetype = config->outputType;
   hdr->ncmds = loadCommands.size();
   hdr->sizeofcmds = sizeOfCmds;
-  hdr->flags = MachO::MH_DYLDLINK;
+  hdr->flags = MH_DYLDLINK;
 
   if (config->namespaceKind == NamespaceKind::twolevel)
-    hdr->flags |= MachO::MH_NOUNDEFS | MachO::MH_TWOLEVEL;
+    hdr->flags |= MH_NOUNDEFS | MH_TWOLEVEL;
 
-  if (config->outputType == MachO::MH_DYLIB && !config->hasReexports)
-    hdr->flags |= MachO::MH_NO_REEXPORTED_DYLIBS;
+  if (config->outputType == MH_DYLIB && !config->hasReexports)
+    hdr->flags |= MH_NO_REEXPORTED_DYLIBS;
 
   if (config->markDeadStrippableDylib)
-    hdr->flags |= MachO::MH_DEAD_STRIPPABLE_DYLIB;
+    hdr->flags |= MH_DEAD_STRIPPABLE_DYLIB;
 
-  if (config->outputType == MachO::MH_EXECUTE && config->isPic)
-    hdr->flags |= MachO::MH_PIE;
+  if (config->outputType == MH_EXECUTE && config->isPic)
+    hdr->flags |= MH_PIE;
 
   if (in.exports->hasWeakSymbol || in.weakBinding->hasNonWeakDefinition())
-    hdr->flags |= MachO::MH_WEAK_DEFINES;
+    hdr->flags |= MH_WEAK_DEFINES;
 
   if (in.exports->hasWeakSymbol || in.weakBinding->hasEntry())
-    hdr->flags |= MachO::MH_BINDS_TO_WEAK;
+    hdr->flags |= MH_BINDS_TO_WEAK;
 
   for (const OutputSegment *seg : outputSegments) {
     for (const OutputSection *osec : seg->getSections()) {
       if (isThreadLocalVariables(osec->flags)) {
-        hdr->flags |= MachO::MH_HAS_TLV_DESCRIPTORS;
+        hdr->flags |= MH_HAS_TLV_DESCRIPTORS;
         break;
       }
     }
@@ -138,7 +139,6 @@
 // using a single DO_REBASE opcode. To take advantage of it, we delay emitting
 // `DO_REBASE` until we have reached the end of a contiguous sequence.
 static void encodeDoRebase(Rebase &rebase, raw_svector_ostream &os) {
-  using namespace llvm::MachO;
   assert(rebase.consecutiveCount != 0);
   if (rebase.consecutiveCount <= REBASE_IMMEDIATE_MASK) {
     os << static_cast<uint8_t>(REBASE_OPCODE_DO_REBASE_IMM_TIMES |
@@ -152,7 +152,6 @@
 
 static void encodeRebase(const OutputSection *osec, uint64_t outSecOff,
                          Rebase &lastRebase, raw_svector_ostream &os) {
-  using namespace llvm::MachO;
   OutputSegment *seg = osec->parent;
   uint64_t offset = osec->getSegmentOffset() + outSecOff;
   if (lastRebase.segment != seg || lastRebase.offset != offset) {
@@ -178,7 +177,6 @@
 }
 
 void RebaseSection::finalizeContents() {
-  using namespace llvm::MachO;
   if (locations.empty())
     return;
 
@@ -212,7 +210,7 @@
                                                      const char *name)
     : SyntheticSection(segname, name) {
   align = WordSize;
-  flags = MachO::S_NON_LAZY_SYMBOL_POINTERS;
+  flags = S_NON_LAZY_SYMBOL_POINTERS;
 }
 
 void NonLazyPointerSectionBase::addEntry(Symbol *sym) {
@@ -252,7 +250,6 @@
                           uint64_t outSecOff, int64_t addend,
                           bool isWeakBinding, Binding &lastBinding,
                           raw_svector_ostream &os) {
-  using namespace llvm::MachO;
   OutputSegment *seg = osec->parent;
   uint64_t offset = osec->getSegmentOffset() + outSecOff;
   if (lastBinding.segment != seg) {
@@ -287,12 +284,11 @@
 // Non-weak bindings need to have their dylib ordinal encoded as well.
 static int16_t ordinalForDylibSymbol(const DylibSymbol &dysym) {
   return config->namespaceKind == NamespaceKind::flat || dysym.isDynamicLookup()
-             ? (int16_t)MachO::BIND_SPECIAL_DYLIB_FLAT_LOOKUP
+             ? static_cast<int16_t>(BIND_SPECIAL_DYLIB_FLAT_LOOKUP)
              : dysym.getFile()->ordinal;
 }
 
 static void encodeDylibOrdinal(int16_t ordinal, raw_svector_ostream &os) {
-  using namespace llvm::MachO;
   if (ordinal <= 0) {
     os << static_cast<uint8_t>(BIND_OPCODE_SET_DYLIB_SPECIAL_IMM |
                                (ordinal & BIND_IMMEDIATE_MASK));
@@ -306,7 +302,6 @@
 
 static void encodeWeakOverride(const Defined *defined,
                                raw_svector_ostream &os) {
-  using namespace llvm::MachO;
   os << static_cast<uint8_t>(BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM |
                              BIND_SYMBOL_FLAGS_NON_WEAK_DEFINITION)
      << defined->getName() << '\0';
@@ -351,7 +346,7 @@
     }
   }
   if (!bindings.empty())
-    os << static_cast<uint8_t>(MachO::BIND_OPCODE_DONE);
+    os << static_cast<uint8_t>(BIND_OPCODE_DONE);
 }
 
 void BindingSection::writeTo(uint8_t *buf) const {
@@ -385,7 +380,7 @@
     }
   }
   if (!bindings.empty() || !definitions.empty())
-    os << static_cast<uint8_t>(MachO::BIND_OPCODE_DONE);
+    os << static_cast<uint8_t>(BIND_OPCODE_DONE);
 }
 
 void WeakBindingSection::writeTo(uint8_t *buf) const {
@@ -422,8 +417,7 @@
 
 StubsSection::StubsSection()
     : SyntheticSection(segment_names::text, "__stubs") {
-  flags = MachO::S_SYMBOL_STUBS | MachO::S_ATTR_SOME_INSTRUCTIONS |
-          MachO::S_ATTR_PURE_INSTRUCTIONS;
+  flags = S_SYMBOL_STUBS | S_ATTR_SOME_INSTRUCTIONS | S_ATTR_PURE_INSTRUCTIONS;
   // The stubs section comprises machine instructions, which are aligned to
   // 4 bytes on the archs we care about.
   align = 4;
@@ -451,7 +445,7 @@
 
 StubHelperSection::StubHelperSection()
     : SyntheticSection(segment_names::text, "__stub_helper") {
-  flags = MachO::S_ATTR_SOME_INSTRUCTIONS | MachO::S_ATTR_PURE_INSTRUCTIONS;
+  flags = S_ATTR_SOME_INSTRUCTIONS | S_ATTR_PURE_INSTRUCTIONS;
   align = 4; // This section comprises machine instructions
 }
 
@@ -499,7 +493,7 @@
 LazyPointerSection::LazyPointerSection()
     : SyntheticSection(segment_names::data, "__la_symbol_ptr") {
   align = WordSize;
-  flags = MachO::S_LAZY_SYMBOL_POINTERS;
+  flags = S_LAZY_SYMBOL_POINTERS;
 }
 
 uint64_t LazyPointerSection::getSize() const {
@@ -557,20 +551,20 @@
 uint32_t LazyBindingSection::encode(const DylibSymbol &sym) {
   uint32_t opstreamOffset = contents.size();
   OutputSegment *dataSeg = in.lazyPointers->parent;
-  os << static_cast<uint8_t>(MachO::BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB |
+  os << static_cast<uint8_t>(BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB |
                              dataSeg->index);
   uint64_t offset = in.lazyPointers->addr - dataSeg->firstSection()->addr +
                     sym.stubsIndex * WordSize;
   encodeULEB128(offset, os);
   encodeDylibOrdinal(ordinalForDylibSymbol(sym), os);
 
-  uint8_t flags = MachO::BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM;
+  uint8_t flags = BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM;
   if (sym.isWeakRef())
-    flags |= MachO::BIND_SYMBOL_FLAGS_WEAK_IMPORT;
+    flags |= BIND_SYMBOL_FLAGS_WEAK_IMPORT;
 
   os << flags << sym.getName() << '\0'
-     << static_cast<uint8_t>(MachO::BIND_OPCODE_DO_BIND)
-     << static_cast<uint8_t>(MachO::BIND_OPCODE_DONE);
+     << static_cast<uint8_t>(BIND_OPCODE_DO_BIND)
+     << static_cast<uint8_t>(BIND_OPCODE_DONE);
   return opstreamOffset;
 }
 
@@ -658,7 +652,7 @@
 }
 
 void SymtabSection::emitBeginSourceStab(DWARFUnit *compileUnit) {
-  StabsEntry stab(MachO::N_SO);
+  StabsEntry stab(N_SO);
   SmallString<261> dir(compileUnit->getCompilationDir());
   StringRef sep = sys::path::get_separator();
   // We don't use `path::append` here because we want an empty `dir` to result
@@ -671,13 +665,13 @@
 }
 
 void SymtabSection::emitEndSourceStab() {
-  StabsEntry stab(MachO::N_SO);
+  StabsEntry stab(N_SO);
   stab.sect = 1;
   stabs.emplace_back(std::move(stab));
 }
 
 void SymtabSection::emitObjectFileStab(ObjFile *file) {
-  StabsEntry stab(MachO::N_OSO);
+  StabsEntry stab(N_OSO);
   stab.sect = target->cpuSubtype;
   SmallString<261> path(!file->archiveName.empty() ? file->archiveName
                                                    : file->getName());
@@ -695,7 +689,7 @@
 }
 
 void SymtabSection::emitEndFunStab(Defined *defined) {
-  StabsEntry stab(MachO::N_FUN);
+  StabsEntry stab(N_FUN);
   // FIXME this should be the size of the symbol. Using the section size in
   // lieu is only correct if .subsections_via_symbols is set.
   stab.value = defined->isec->getSize();
@@ -746,11 +740,11 @@
     symStab.value = defined->getVA();
 
     if (isCodeSection(isec)) {
-      symStab.type = MachO::N_FUN;
+      symStab.type = N_FUN;
       stabs.emplace_back(std::move(symStab));
       emitEndFunStab(defined);
     } else {
-      symStab.type = defined->isExternal() ? MachO::N_GSYM : MachO::N_STSYM;
+      symStab.type = defined->isExternal() ? N_GSYM : N_STSYM;
       stabs.emplace_back(std::move(symStab));
     }
   }
@@ -837,41 +831,41 @@
         // Private external -- dylib scoped symbol.
         // Promote to non-external at link time.
         assert(defined->isExternal() && "invalid input file");
-        scope = MachO::N_PEXT;
+        scope = N_PEXT;
       } else if (defined->isExternal()) {
         // Normal global symbol.
-        scope = MachO::N_EXT;
+        scope = N_EXT;
       } else {
         // TU-local symbol from localSymbols.
         scope = 0;
       }
 
       if (defined->isAbsolute()) {
-        nList->n_type = scope | MachO::N_ABS;
-        nList->n_sect = MachO::NO_SECT;
+        nList->n_type = scope | N_ABS;
+        nList->n_sect = NO_SECT;
         nList->n_value = defined->value;
       } else {
-        nList->n_type = scope | MachO::N_SECT;
+        nList->n_type = scope | N_SECT;
         nList->n_sect = defined->isec->parent->index;
         // For the N_SECT symbol type, n_value is the address of the symbol
         nList->n_value = defined->getVA();
       }
-      nList->n_desc |= defined->isExternalWeakDef() ? MachO::N_WEAK_DEF : 0;
+      nList->n_desc |= defined->isExternalWeakDef() ? N_WEAK_DEF : 0;
     } else if (auto *dysym = dyn_cast<DylibSymbol>(entry.sym)) {
       uint16_t n_desc = nList->n_desc;
       int16_t ordinal = ordinalForDylibSymbol(*dysym);
-      if (ordinal == MachO::BIND_SPECIAL_DYLIB_FLAT_LOOKUP)
-        MachO::SET_LIBRARY_ORDINAL(n_desc, MachO::DYNAMIC_LOOKUP_ORDINAL);
-      else if (ordinal == MachO::BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE)
-        MachO::SET_LIBRARY_ORDINAL(n_desc, MachO::EXECUTABLE_ORDINAL);
+      if (ordinal == BIND_SPECIAL_DYLIB_FLAT_LOOKUP)
+        SET_LIBRARY_ORDINAL(n_desc, DYNAMIC_LOOKUP_ORDINAL);
+      else if (ordinal == BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE)
+        SET_LIBRARY_ORDINAL(n_desc, EXECUTABLE_ORDINAL);
       else {
         assert(ordinal > 0);
-        MachO::SET_LIBRARY_ORDINAL(n_desc, static_cast<uint8_t>(ordinal));
+        SET_LIBRARY_ORDINAL(n_desc, static_cast<uint8_t>(ordinal));
       }
 
-      nList->n_type = MachO::N_EXT;
-      n_desc |= dysym->isWeakDef() ? MachO::N_WEAK_DEF : 0;
-      n_desc |= dysym->isWeakRef() ? MachO::N_WEAK_REF : 0;
+      nList->n_type = N_EXT;
+      n_desc |= dysym->isWeakDef() ? N_WEAK_DEF : 0;
+      n_desc |= dysym->isWeakRef() ? N_WEAK_REF : 0;
       nList->n_desc = n_desc;
     }
     ++nList;
@@ -905,7 +899,7 @@
 
 static uint32_t indirectValue(const Symbol *sym) {
   return sym->symtabIndex != UINT32_MAX ? sym->symtabIndex
-                                        : MachO::INDIRECT_SYMBOL_LOCAL;
+                                        : INDIRECT_SYMBOL_LOCAL;
 }
 
 void IndirectSymtabSection::writeTo(uint8_t *buf) const {
@@ -992,7 +986,6 @@
 }
 
 void CodeSignatureSection::writeTo(uint8_t *buf) const {
-  using namespace llvm::MachO;
   uint32_t signatureSize = static_cast<uint32_t>(getSize());
   auto *superBlob = reinterpret_cast<CS_SuperBlob *>(buf);
   write32be(&superBlob->magic, CSMAGIC_EMBEDDED_SIGNATURE);
diff --git a/lld/MachO/Writer.cpp b/lld/MachO/Writer.cpp
--- a/lld/MachO/Writer.cpp
+++ b/lld/MachO/Writer.cpp
@@ -552,7 +552,7 @@
   for (InputFile *file : inputFiles) {
     if (auto *dylibFile = dyn_cast<DylibFile>(file)) {
       if (dylibFile->isBundleLoader) {
-        dylibFile->ordinal = MachO::BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE;
+        dylibFile->ordinal = BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE;
         // Shortcut since bundle-loader does not re-export the symbols.
 
         dylibFile->reexport = false;