diff --git a/po/POTFILES.in b/po/POTFILES.in
index bdcf1162..fa3d8b4f 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -281,7 +281,6 @@ libvips/foreign/tiffsave.c
 libvips/foreign/vips2jpeg.c
 libvips/foreign/vips2magick.c
 libvips/foreign/vips2tiff.c
-libvips/foreign/vips2webp.c
 libvips/foreign/vipsload.c
 libvips/foreign/vipspng.c
 libvips/foreign/vipssave.c
@@ -339,7 +338,9 @@ libvips/iofuncs/sourceginput.c
 libvips/iofuncs/system.c
 libvips/iofuncs/target.c
 libvips/iofuncs/targetcustom.c
+libvips/iofuncs/thread.c
 libvips/iofuncs/threadpool.c
+libvips/iofuncs/threadset.c
 libvips/iofuncs/type.c
 libvips/iofuncs/util.c
 libvips/iofuncs/vector.c
diff --git a/po/README b/po/README
index 81bbcc8c..37b2ef0e 100644
--- a/po/README
+++ b/po/README
@@ -30,7 +30,6 @@ find cplusplus/include libvips/include \
 find libvips tools cplusplus \
   -path libvips/deprecated -prune -o \
   -path libvips/foreign/libnsgif -prune -o \
-  -name dummy.c -prune -o \
   -path cplusplus/examples -prune -o \
   \( -name '*.c' -o -name '*.cpp' \) \
   -printf '%h\0%d\0%p\n' | \