diff --git a/compositor/meson.build b/compositor/meson.build
index 37f52290..cf09150e 100644
--- a/compositor/meson.build
+++ b/compositor/meson.build
@@ -57,7 +57,6 @@ pkgconfig.generate(
 	description: 'Header files for Weston plugin development',
 	requires_private: [ lib_weston ],
 	variables: [
-		'libexecdir=' + join_paths('${prefix}', get_option('libexecdir')),
 		'pkglibexecdir=${libexecdir}/weston'
 	],
 	subdirs: 'weston'
diff --git a/protocol/meson.build b/protocol/meson.build
index fc3dd953..1201efae 100644
--- a/protocol/meson.build
+++ b/protocol/meson.build
@@ -1,5 +1,5 @@
 dep_scanner = dependency('wayland-scanner', native: true)
-prog_scanner = find_program(dep_scanner.get_pkgconfig_variable('wayland_scanner'))
+prog_scanner = find_program(dep_scanner.get_variable(pkgconfig: 'wayland_scanner'))
 
 dep_wp = dependency('wayland-protocols', version: '>= 1.26',
 	fallback: ['wayland-protocols', 'wayland_protocols'])
diff --git a/xwayland/meson.build b/xwayland/meson.build
index a9a0af30..a7b3e40c 100644
--- a/xwayland/meson.build
+++ b/xwayland/meson.build
@@ -4,7 +4,7 @@ endif
 
 xwayland_dep = dependency('xwayland', required: false)
 if xwayland_dep.found()
-	if xwayland_dep.get_pkgconfig_variable('have_listenfd') == 'true'
+	if xwayland_dep.get_variable(pkgconfig: 'have_listenfd') == 'true'
 		config_h.set('HAVE_XWAYLAND_LISTENFD', '1')
 	endif
 endif