diff --git a/src/ci/docker/host-x86_64/dist-x86_64-linux/build-git.sh b/src/ci/docker/host-x86_64/dist-x86_64-linux/build-git.sh
deleted file mode 100755
index 38fea2a8094b9..0000000000000
--- a/src/ci/docker/host-x86_64/dist-x86_64-linux/build-git.sh
+++ /dev/null
@@ -1,15 +0,0 @@
-#!/usr/bin/env bash
-
-set -ex
-source shared.sh
-
-curl -L https://www.kernel.org/pub/software/scm/git/git-2.10.0.tar.gz | tar xzf -
-
-cd git-2.10.0
-make configure
-hide_output ./configure --prefix=/rustroot
-hide_output make -j10
-hide_output make install
-
-cd ..
-rm -rf git-2.10.0
diff --git a/src/ci/docker/host-x86_64/dist-x86_64-linux/build-headers.sh b/src/ci/docker/host-x86_64/dist-x86_64-linux/build-headers.sh
deleted file mode 100755
index b623e53583b5e..0000000000000
--- a/src/ci/docker/host-x86_64/dist-x86_64-linux/build-headers.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/usr/bin/env bash
-
-set -ex
-source shared.sh
-
-curl https://cdn.kernel.org/pub/linux/kernel/v3.x/linux-3.2.84.tar.xz | unxz | tar x
-
-cd linux-3.2.84
-hide_output make mrproper
-hide_output make INSTALL_HDR_PATH=dest headers_install
-
-find dest/include \( -name .install -o -name ..install.cmd \) -delete
-yes | cp -fr dest/include/* /usr/include
-
-cd ..
-rm -rf linux-3.2.84
diff --git a/src/ci/docker/host-x86_64/dist-x86_64-linux/build-perl.sh b/src/ci/docker/host-x86_64/dist-x86_64-linux/build-perl.sh
deleted file mode 100755
index a678d353d52f5..0000000000000
--- a/src/ci/docker/host-x86_64/dist-x86_64-linux/build-perl.sh
+++ /dev/null
@@ -1,21 +0,0 @@
-#!/usr/bin/env bash
-
-set -ex
-source shared.sh
-
-curl https://www.cpan.org/src/5.0/perl-5.28.0.tar.gz | \
-  tar xzf -
-
-cd perl-5.28.0
-
-# Gotta do some hackery to tell python about our custom OpenSSL build, but other
-# than that fairly normal.
-CC=gcc \
-CFLAGS='-I /rustroot/include -fgnu89-inline' \
-LDFLAGS='-L /rustroot/lib -L /rustroot/lib64' \
-    hide_output ./configure.gnu
-hide_output make -j10
-hide_output make install
-
-cd ..
-rm -rf perl-5.28.0