diff -rauN gcr/gck/meson.build gcr-no-vala-patch/gck/meson.build
--- gcr/gck/meson.build	2021-05-13 11:42:03.269748891 +0200
+++ gcr-no-vala-patch/gck/meson.build	2021-05-13 11:37:10.000000000 +0200
@@ -142,16 +142,16 @@
     install: true,
   )
 
-  gck_vapi = gnome.generate_vapi('gck-@0@'.format(gck_major_version),
-    sources: gck_gir[0],
-    metadata_dirs: meson.current_source_dir(),
-    packages: [ 'glib-2.0', 'gio-2.0' ],
-    install: true,
-  )
+#  gck_vapi = gnome.generate_vapi('gck-@0@'.format(gck_major_version),
+#    sources: gck_gir[0],
+#    metadata_dirs: meson.current_source_dir(),
+#    packages: [ 'glib-2.0', 'gio-2.0' ],
+#    install: true,
+#  )
 
-  install_data('pkcs11.vapi',
-    install_dir: get_option('datadir') / 'vala' / 'vapi',
-  )
+#  install_data('pkcs11.vapi',
+#    install_dir: get_option('datadir') / 'vala' / 'vapi',
+#  )
 endif
 
 # pkg-config file
diff -rauN gcr/gcr/meson.build gcr-no-vala-patch/gcr/meson.build
--- gcr/gcr/meson.build	2021-05-13 11:42:03.336415608 +0200
+++ gcr-no-vala-patch/gcr/meson.build	2021-05-13 11:37:47.000000000 +0200
@@ -204,18 +204,18 @@
     install: true,
   )
 
-  gcr_vapi = gnome.generate_vapi('gcr-@0@'.format(gcr_major_version),
-    sources: gcr_gir[0],
-    packages: [ 'glib-2.0', 'gio-2.0', gck_vapi ],
-    metadata_dirs: meson.current_source_dir(),
-    vapi_dirs: [
-      build_root / 'gck',
-    ],
-    gir_dirs: [
-      build_root / 'gck',
-    ],
-    install: true,
-  )
+#  gcr_vapi = gnome.generate_vapi('gcr-@0@'.format(gcr_major_version),
+#    sources: gcr_gir[0],
+#    packages: [ 'glib-2.0', 'gio-2.0', gck_vapi ],
+#    metadata_dirs: meson.current_source_dir(),
+#    vapi_dirs: [
+#      build_root / 'gck',
+#    ],
+#    gir_dirs: [
+#      build_root / 'gck',
+#    ],
+#    install: true,
+#  )
 endif
 
 # pkg-config file
diff -rauN gcr/ui/meson.build gcr-no-vala-patch/ui/meson.build
--- gcr/ui/meson.build	2021-05-13 11:42:03.309748920 +0200
+++ gcr-no-vala-patch/ui/meson.build	2021-05-13 11:38:21.000000000 +0200
@@ -168,26 +168,26 @@
     install: true,
   )
 
-  gcr_ui_vapi = gnome.generate_vapi('gcr-ui-@0@'.format(gcr_major_version),
-    sources: gcr_ui_gir[0],
-    packages: [
-      'glib-2.0',
-      'gio-2.0',
-      gck_vapi,
-      gcr_vapi,
-      'gtk+-3.0'
-    ],
-    metadata_dirs: meson.current_source_dir(),
-    vapi_dirs: [
-      build_root / 'gck',
-      build_root / 'gcr',
-    ],
-    gir_dirs: [
-      build_root / 'gck',
-      build_root / 'gcr',
-    ],
-    install: true,
-  )
+#  gcr_ui_vapi = gnome.generate_vapi('gcr-ui-@0@'.format(gcr_major_version),
+#    sources: gcr_ui_gir[0],
+#    packages: [
+#      'glib-2.0',
+#      'gio-2.0',
+#      gck_vapi,
+#      gcr_vapi,
+#      'gtk+-3.0'
+#    ],
+#    metadata_dirs: meson.current_source_dir(),
+#    vapi_dirs: [
+#      build_root / 'gck',
+#      build_root / 'gcr',
+#    ],
+#    gir_dirs: [
+#      build_root / 'gck',
+#      build_root / 'gcr',
+#    ],
+#    install: true,
+#  )
 endif
 
 # gcr-viewer