diff --git a/src/tools/build-manifest/src/main.rs b/src/tools/build-manifest/src/main.rs
index 15fd855d935..8781542ae04 100644
--- a/src/tools/build-manifest/src/main.rs
+++ b/src/tools/build-manifest/src/main.rs
@@ -61,7 +61,6 @@
     "armv5te-unknown-linux-musleabi",
     "armv7-apple-ios",
     "armv7-linux-androideabi",
-    "armv7-unknown-cloudabi-eabihf",
     "armv7-unknown-linux-gnueabihf",
     "armv7-unknown-linux-musleabihf",
     "armebv7r-none-eabi",
@@ -78,7 +77,6 @@
     "i686-linux-android",
     "i686-pc-windows-gnu",
     "i686-pc-windows-msvc",
-    "i686-unknown-cloudabi",
     "i686-unknown-freebsd",
     "i686-unknown-linux-gnu",
     "i686-unknown-linux-musl",
@@ -89,14 +87,11 @@
     "mipsel-unknown-linux-gnu",
     "mipsel-unknown-linux-musl",
     "powerpc-unknown-linux-gnu",
-    "powerpc-unknown-linux-gnuspe",
     "powerpc64-unknown-linux-gnu",
     "powerpc64le-unknown-linux-gnu",
-    "powerpc64le-unknown-linux-musl",
     "riscv32imc-unknown-none-elf",
     "riscv32imac-unknown-none-elf",
     "s390x-unknown-linux-gnu",
-    "sparc-unknown-linux-gnu",
     "sparc64-unknown-linux-gnu",
     "sparcv9-sun-solaris",
     "thumbv6m-none-eabi",
@@ -115,7 +110,6 @@
     "x86_64-sun-solaris",
     "x86_64-unknown-cloudabi",
     "x86_64-unknown-freebsd",
-    "x86_64-unknown-hermit",
     "x86_64-unknown-linux-gnu",
     "x86_64-unknown-linux-gnux32",
     "x86_64-unknown-linux-musl",