diff --git a/CMakeLists.txt b/CMakeLists.txt
index ceda7b2..1a5b3fb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -288,8 +288,7 @@ 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 PPC32 PPC64V1 PPC64V2
-  S390X SPARC64 M68K SH4 ALPHA MIPS64LE MIPS64BE)
+  X86_64)
 
 list(APPEND MOLD_ELF_TEMPLATE_FILES
   elf/cmdline.cc
@@ -360,19 +359,6 @@ target_sources(mold PRIVATE
   common/perf.cc
   common/tar.cc
   common/uuid.cc
-  elf/arch-alpha.cc
-  elf/arch-arm32.cc
-  elf/arch-arm64.cc
-  elf/arch-i386.cc
-  elf/arch-m68k.cc
-  elf/arch-mips64.cc
-  elf/arch-ppc32.cc
-  elf/arch-ppc64v1.cc
-  elf/arch-ppc64v2.cc
-  elf/arch-riscv.cc
-  elf/arch-s390x.cc
-  elf/arch-sh4.cc
-  elf/arch-sparc64.cc
   elf/arch-x86-64.cc
   elf/elf.cc
   git-hash.cc
diff --git a/elf/main.cc b/elf/main.cc
index 803069e..b68a8fe 100644
--- a/elf/main.cc
+++ b/elf/main.cc
@@ -402,11 +402,6 @@ int elf_main(int argc, char **argv) {
   if (ctx.arg.emulation.empty())
     ctx.arg.emulation = deduce_machine_type(ctx, file_args);
 
-  // Redo if -m is not x86-64.
-  if constexpr (is_x86_64<E>)
-    if (ctx.arg.emulation != X86_64::target_name)
-      return redo_main<E>(argc, argv, ctx.arg.emulation);
-
   Timer t_all(ctx, "all");
 
   install_signal_handler();