diff --git a/extra/man-pages-posix/build b/extra/man-pages-posix/build
deleted file mode 100755
index 0fa9b71f..00000000
--- a/extra/man-pages-posix/build
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh -e
-
-make prefix=/usr DESTDIR="$1" install
diff --git a/extra/man-pages-posix/checksums b/extra/man-pages-posix/checksums
deleted file mode 100644
index 1061c42e..00000000
--- a/extra/man-pages-posix/checksums
+++ /dev/null
@@ -1 +0,0 @@
-ce67bb25b5048b20dad772e405a83f4bc70faf051afa289361c81f9660318bc3
diff --git a/extra/man-pages-posix/sources b/extra/man-pages-posix/sources
deleted file mode 100644
index 6dc7ad75..00000000
--- a/extra/man-pages-posix/sources
+++ /dev/null
@@ -1 +0,0 @@
-https://mirrors.edge.kernel.org/pub/linux/docs/man-pages/man-pages-posix/man-pages-posix-2017-a.tar.xz
diff --git a/extra/man-pages-posix/version b/extra/man-pages-posix/version
deleted file mode 100644
index eea87506..00000000
--- a/extra/man-pages-posix/version
+++ /dev/null
@@ -1 +0,0 @@
-2017a 1