diff --git a/meson.build b/meson.build
index 394f40faf..d70b92827 100644
--- a/meson.build
+++ b/meson.build
@@ -479,10 +479,7 @@ if build_standalone and get_option('plugin_nvme')
   endif
 endif
 
-if build_standalone and get_option('plugin_thunderbolt')
-  umockdev = dependency('umockdev-1.0', required: false)
-  conf.set('HAVE_THUNDERBOLT', '1')
-endif
+umockdev = dependency('umockdev-1.0', required: false)
 
 if build_standalone and get_option('plugin_flashrom')
   libflashrom = dependency('flashrom', fallback : ['flashrom', 'flashrom_dep'])