diff -ur a/mesonbuild/modules/pkgconfig.py b/mesonbuild/modules/pkgconfig.py
--- a/mesonbuild/modules/pkgconfig.py	2024-05-17 17:52:30.880877000 -0700
+++ b/mesonbuild/modules/pkgconfig.py	2024-05-17 17:53:10.901068000 -0700
@@ -693,10 +693,7 @@
         pcfile = filebase + '.pc'
         pkgroot = pkgroot_name = kwargs['install_dir'] or default_install_dir
         if pkgroot is None:
-            if mesonlib.is_freebsd():
-                pkgroot = os.path.join(_as_str(state.environment.coredata.get_option(mesonlib.OptionKey('prefix'))), 'libdata', 'pkgconfig')
-                pkgroot_name = os.path.join('{prefix}', 'libdata', 'pkgconfig')
-            elif mesonlib.is_haiku():
+            if mesonlib.is_haiku():
                 pkgroot = os.path.join(_as_str(state.environment.coredata.get_option(mesonlib.OptionKey('prefix'))), 'develop', 'lib', 'pkgconfig')
                 pkgroot_name = os.path.join('{prefix}', 'develop', 'lib', 'pkgconfig')
             else: