diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3c14940..3541b40 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -262,8 +262,7 @@ include_directories(${CMAKE_CURRENT_BINARY_DIR})
 # compiler instances. This is hacky but greatly reduces compile time
 # on a multicore machine.
 list(APPEND MOLD_ELF_TARGETS
-  X86_64 I386 ARM64 ARM32 RV32LE RV32BE RV64LE RV64BE
-  PPC64V1 PPC64V2 S390X SPARC64 M68K)
+  X86_64)
 
 list(APPEND MOLD_ELF_TEMPLATE_FILES
   elf/cmdline.cc
@@ -312,33 +311,15 @@ foreach (SOURCE IN LISTS MOLD_ELF_TEMPLATE_FILES)
   endforeach()
 endforeach()
 
-foreach (SOURCE IN LISTS MOLD_MACHO_TEMPLATE_FILES)
-  foreach(TARGET IN LISTS MOLD_MACHO_TARGETS)
-    mold_instantiate_templates(${SOURCE} ${TARGET})
-  endforeach()
-endforeach()
-
 # Add other non-template source files.
 target_sources(mold PRIVATE
   compress.cc
   demangle.cc
-  elf/arch-arm32.cc
-  elf/arch-arm64.cc
-  elf/arch-i386.cc
-  elf/arch-m68k.cc
-  elf/arch-ppc64v1.cc
-  elf/arch-ppc64v2.cc
-  elf/arch-riscv.cc
-  elf/arch-s390x.cc
-  elf/arch-sparc64.cc
   elf/arch-x86-64.cc
   filepath.cc
   git-hash.cc
   glob.cc
   hyperloglog.cc
-  macho/arch-arm64.cc
-  macho/arch-x86-64.cc
-  macho/yaml.cc
   main.cc
   multi-glob.cc
   perf.cc
diff --git a/elf/main.cc b/elf/main.cc
index 8b6cf3fb..46e07424 100644
--- a/elf/main.cc
+++ b/elf/main.cc
@@ -422,11 +422,6 @@ int elf_main(int argc, char **argv) {
   if (ctx.arg.emulation == MachineType::NONE)
     ctx.arg.emulation = deduce_machine_type(ctx, file_args);
 
-  // Redo if -m is not x86-64.
-  if constexpr (std::is_same_v<E, X86_64>)
-    if (ctx.arg.emulation != MachineType::X86_64)
-      return redo_main<E>(argc, argv, ctx.arg.emulation);
-
   Timer t_all(ctx, "all");
 
   install_signal_handler();
diff --git a/main.cc b/main.cc
index db834c69..181e045e 100644
--- a/main.cc
+++ b/main.cc
@@ -144,8 +144,5 @@ i64 get_default_thread_count() {
 int main(int argc, char **argv) {
   mold::mold_version = mold::get_mold_version();
 
-  std::string cmd = mold::filepath(argv[0]).filename().string();
-  if (cmd == "ld64" || cmd == "ld64.mold")
-    return mold::macho::main(argc, argv);
   return mold::elf::main(argc, argv);
 }