diff --git a/build/fbcode_builder/manifests/delos_core b/build/fbcode_builder/manifests/delos_core
deleted file mode 100644
index 1de6c3342df..00000000000
--- a/build/fbcode_builder/manifests/delos_core
+++ /dev/null
@@ -1,25 +0,0 @@
-[manifest]
-name = delos_core
-fbsource_path = fbcode/delos_core
-shipit_project = delos_core
-shipit_fbcode_builder = true
-
-[git]
-repo_url = https://github.com/facebookincubator/delos_core.git
-
-[build.os=linux]
-builder = cmake
-
-[build.not(os=linux)]
-builder = nop
-
-[dependencies]
-glog
-googletest
-folly
-fbthrift
-fb303
-re2
-
-[shipit.pathmap]
-fbcode/delos_core = .
diff --git a/build/fbcode_builder/manifests/f4d b/build/fbcode_builder/manifests/f4d
deleted file mode 100644
index 2f3db2595ac..00000000000
--- a/build/fbcode_builder/manifests/f4d
+++ /dev/null
@@ -1,30 +0,0 @@
-[manifest]
-name = f4d
-fbsource_path = fbcode/f4d
-shipit_project = f4d
-shipit_fbcode_builder = true
-
-[git]
-repo_url = https://github.com/facebookexternal/f4d.git
-rev = master
-
-[build.os=windows]
-builder = nop
-
-[build.not(os=windows)]
-builder = cmake
-
-[dependencies]
-double-conversion
-folly
-glog
-googletest
-boost
-protobuf
-lzo
-libicu
-re2
-
-[shipit.pathmap]
-fbcode/f4d/public_tld = .
-fbcode/f4d = f4d
diff --git a/build/fbcode_builder/manifests/fb303-source b/build/fbcode_builder/manifests/fb303-source
deleted file mode 100644
index d62ce3b0032..00000000000
--- a/build/fbcode_builder/manifests/fb303-source
+++ /dev/null
@@ -1,19 +0,0 @@
-[manifest]
-name = fb303-source
-fbsource_path = fbcode/fb303
-shipit_project = fb303
-shipit_fbcode_builder = false
-
-[git]
-repo_url = https://github.com/facebook/fb303.git
-
-[build]
-builder = nop
-
-[shipit.pathmap]
-fbcode/fb303/github = .
-fbcode/fb303/public_autocargo = fb303
-fbcode/fb303 = fb303
-
-[shipit.strip]
-^fbcode/fb303/(?!public_autocargo).+/Cargo\.toml$
diff --git a/build/fbcode_builder/manifests/fbthrift-source b/build/fbcode_builder/manifests/fbthrift-source
deleted file mode 100644
index 7af0d6ddac0..00000000000
--- a/build/fbcode_builder/manifests/fbthrift-source
+++ /dev/null
@@ -1,21 +0,0 @@
-[manifest]
-name = fbthrift-source
-fbsource_path = fbcode/thrift
-shipit_project = fbthrift
-shipit_fbcode_builder = true
-
-[git]
-repo_url = https://github.com/facebook/fbthrift.git
-
-[build]
-builder = nop
-
-[shipit.pathmap]
-fbcode/thrift/public_tld = .
-fbcode/thrift = thrift
-
-[shipit.strip]
-^fbcode/thrift/thrift-config\.h$
-^fbcode/thrift/perf/canary.py$
-^fbcode/thrift/perf/loadtest.py$
-^fbcode/thrift/.castle/.*
diff --git a/build/fbcode_builder/manifests/fbzmq b/build/fbcode_builder/manifests/fbzmq
deleted file mode 100644
index 5739016c84a..00000000000
--- a/build/fbcode_builder/manifests/fbzmq
+++ /dev/null
@@ -1,29 +0,0 @@
-[manifest]
-name = fbzmq
-fbsource_path = facebook/fbzmq
-shipit_project = fbzmq
-shipit_fbcode_builder = true
-
-[git]
-repo_url = https://github.com/facebook/fbzmq.git
-
-[build.os=linux]
-builder = cmake
-
-[build.not(os=linux)]
-# boost.fiber is required and that is not available on macos.
-# libzmq doesn't currently build on windows.
-builder = nop
-
-[dependencies]
-boost
-folly
-fbthrift
-googletest
-libzmq
-
-[shipit.pathmap]
-fbcode/fbzmq = fbzmq
-fbcode/fbzmq/public_tld = .
-
-[shipit.strip]
diff --git a/build/fbcode_builder/manifests/libicu b/build/fbcode_builder/manifests/libicu
deleted file mode 100644
index c1deda50376..00000000000
--- a/build/fbcode_builder/manifests/libicu
+++ /dev/null
@@ -1,19 +0,0 @@
-[manifest]
-name = libicu
-
-[rpms]
-libicu-devel
-
-[debs]
-libicu-dev
-
-[download]
-url = https://github.com/unicode-org/icu/releases/download/release-68-2/icu4c-68_2-src.tgz
-sha256 = c79193dee3907a2199b8296a93b52c5cb74332c26f3d167269487680d479d625
-
-[build.not(os=windows)]
-builder = autoconf
-subdir = icu/source
-
-[build.os=windows]
-builder = nop
diff --git a/build/fbcode_builder/manifests/libzmq b/build/fbcode_builder/manifests/libzmq
deleted file mode 100644
index a36121d67fd..00000000000
--- a/build/fbcode_builder/manifests/libzmq
+++ /dev/null
@@ -1,27 +0,0 @@
-[manifest]
-name = libzmq
-
-[debs]
-libzmq3-dev
-
-[homebrew]
-zeromq
-
-[rpms]
-zeromq-devel
-zeromq
-
-[download]
-url = https://github.com/zeromq/libzmq/releases/download/v4.3.1/zeromq-4.3.1.tar.gz
-sha256 = bcbabe1e2c7d0eec4ed612e10b94b112dd5f06fcefa994a0c79a45d835cd21eb
-
-
-[build]
-builder = autoconf
-subdir = zeromq-4.3.1
-
-[autoconf.args]
-
-[dependencies]
-autoconf
-libtool
diff --git a/build/fbcode_builder/manifests/lzo b/build/fbcode_builder/manifests/lzo
deleted file mode 100644
index fd474127bbb..00000000000
--- a/build/fbcode_builder/manifests/lzo
+++ /dev/null
@@ -1,22 +0,0 @@
-[manifest]
-name = lzo
-
-[debs]
-liblzo2-dev
-
-[homebrew]
-lzo
-
-[rpms]
-lzo-devel
-
-[download]
-url = http://www.oberhumer.com/opensource/lzo/download/lzo-2.10.tar.gz 
-sha256 = c0f892943208266f9b6543b3ae308fab6284c5c90e627931446fb49b4221a072
-
-[build.not(os=windows)]
-builder = autoconf
-subdir = lzo-2.10
-
-[build.os=windows]
-builder = nop
diff --git a/build/fbcode_builder/manifests/protobuf b/build/fbcode_builder/manifests/protobuf
deleted file mode 100644
index 311775b9817..00000000000
--- a/build/fbcode_builder/manifests/protobuf
+++ /dev/null
@@ -1,18 +0,0 @@
-[manifest]
-name = protobuf
-
-[rpms]
-protobuf-devel
-
-[debs]
-libprotobuf-dev
-
-[git]
-repo_url = https://github.com/protocolbuffers/protobuf.git
-rev = master
-
-[build.not(os=windows)]
-builder = autoconf
-
-[build.os=windows]
-builder = nop