diff --git a/meson.build b/meson.build
index 9951fd35..34decb60 100644
--- a/meson.build
+++ b/meson.build
@@ -44,13 +44,6 @@ group_host_name_32bit = 'yabridge-group-32'
 compiler_options = [
   '-fvisibility=hidden',
   '-fvisibility-inlines-hidden',
-  # Disable the use of concepts in Boost.Asio until Boost 1.73 gets released
-  # https://github.com/boostorg/asio/issues/312
-  # TODO: Rename after switching out Boost.Process
-  '-DBOOST_ASIO_DISABLE_CONCEPTS',
-  # Boost.Process's auto detection for vfork() support doesn't seem to work
-  # TODO: Remove after adding our own library
-  '-DBOOST_POSIX_HAS_VFORK=1',
   # We use an intrinsic to force flush-to-zero. SSE2 is always enabled in x86_64
   # CPUs, but when we're compiling the 32-bit bitbridge we need to manually add
   # this flag.