diff --git a/.github/workflows/bors.yml b/.github/workflows/bors.yml
index 12069700cccb1..c42d40be76cf6 100644
--- a/.github/workflows/bors.yml
+++ b/.github/workflows/bors.yml
@@ -136,13 +136,6 @@ jobs:
           asmjs-unknown-emscripten,
           i686-linux-android,
           i686-unknown-linux-musl,
-          mips-unknown-linux-gnu,
-          mips-unknown-linux-musl,
-          # FIXME: Somehow failed on CI
-          # https://github.com/rust-lang/libc/runs/1659882216
-          # mips64-unknown-linux-gnuabi64,
-          # mips64el-unknown-linux-gnuabi64,
-          mipsel-unknown-linux-musl,
           powerpc-unknown-linux-gnu,
           powerpc64-unknown-linux-gnu,
           powerpc64le-unknown-linux-gnu,
diff --git a/ci/build.sh b/ci/build.sh
index 2a9d68f53859b..67cc0c421be5b 100644
--- a/ci/build.sh
+++ b/ci/build.sh
@@ -112,14 +112,6 @@ x86_64-unknown-linux-musl \
 x86_64-unknown-netbsd \
 "
 
-# FIXME: builds of MIPS targets are currently broken on nightly.
-# mips-unknown-linux-gnu \
-# mips-unknown-linux-musl \
-# mips64-unknown-linux-gnuabi64 \
-# mips64el-unknown-linux-gnuabi64 \
-# mipsel-unknown-linux-gnu \
-# mipsel-unknown-linux-musl \
-
 RUST_GT_1_13_LINUX_TARGETS="\
 arm-unknown-linux-musleabi \
 arm-unknown-linux-musleabihf \
@@ -238,9 +230,15 @@ i686-unknown-haiku \
 i686-unknown-netbsd \
 i686-unknown-openbsd \
 i686-wrs-vxworks \
-mipsel-sony-psp \
+mips-unknown-linux-gnu \
+mips-unknown-linux-musl \
+mips64-unknown-linux-gnuabi64 \
 mips64-unknown-linux-muslabi64 \
+mips64el-unknown-linux-gnuabi64 \
 mips64el-unknown-linux-muslabi64 \
+mipsel-unknown-linux-gnu \
+mipsel-unknown-linux-musl \
+mipsel-sony-psp \
 nvptx64-nvidia-cuda \
 powerpc-unknown-linux-gnuspe \
 powerpc-unknown-netbsd \
diff --git a/ci/docker/mips-unknown-linux-gnu/Dockerfile b/ci/docker/mips-unknown-linux-gnu/Dockerfile
deleted file mode 100644
index 4c2bb1667b832..0000000000000
--- a/ci/docker/mips-unknown-linux-gnu/Dockerfile
+++ /dev/null
@@ -1,10 +0,0 @@
-FROM ubuntu:23.10
-
-RUN apt-get update && apt-get install -y --no-install-recommends \
-        gcc libc6-dev qemu-user ca-certificates \
-        gcc-mips-linux-gnu libc6-dev-mips-cross \
-        qemu-system-mips linux-headers-generic
-
-ENV CARGO_TARGET_MIPS_UNKNOWN_LINUX_GNU_LINKER=mips-linux-gnu-gcc \
-    CARGO_TARGET_MIPS_UNKNOWN_LINUX_GNU_RUNNER="qemu-mips -L /usr/mips-linux-gnu" \
-    PATH=$PATH:/rust/bin
diff --git a/ci/docker/mips-unknown-linux-musl/Dockerfile b/ci/docker/mips-unknown-linux-musl/Dockerfile
deleted file mode 100644
index 2df2e6a34725a..0000000000000
--- a/ci/docker/mips-unknown-linux-musl/Dockerfile
+++ /dev/null
@@ -1,25 +0,0 @@
-FROM ubuntu:23.10
-
-RUN apt-get update && apt-get install -y --no-install-recommends \
-        gcc libc6-dev qemu-user ca-certificates qemu-system-mips curl \
-        xz-utils patch
-
-RUN mkdir /toolchain
-
-# Linux kernel version: 5.4.154
-# See build_dir/target-mips_24kc_musl/linux-ath79_generic/linux-5.4.154
-# Musl version: 1.1.24
-# See staging_dir/toolchain-mips_24kc_gcc-8.4.0_musl/info.mk
-RUN curl --retry 5 -L https://downloads.openwrt.org/releases/21.02.1/targets/ath79/generic/openwrt-sdk-21.02.1-ath79-generic_gcc-8.4.0_musl.Linux-x86_64.tar.xz | \
-    tar xJf - -C /toolchain --strip-components=1
-
-# See https://lkml.org/lkml/2014/3/14/269
-COPY sysinfo_guard.patch /toolchain
-RUN patch /toolchain/staging_dir/toolchain-mips_24kc_gcc-8.4.0_musl/include/linux/kernel.h </toolchain/sysinfo_guard.patch
-
-ENV PATH=$PATH:/rust/bin:/toolchain/staging_dir/toolchain-mips_24kc_gcc-8.4.0_musl/bin \
-    STAGING_DIR=/toolchain/staging_dir \
-    CC_mips_unknown_linux_musl=mips-openwrt-linux-musl-gcc \
-    CARGO_TARGET_MIPS_UNKNOWN_LINUX_MUSL_LINKER=mips-openwrt-linux-musl-gcc \
-    CARGO_TARGET_MIPS_UNKNOWN_LINUX_MUSL_RUNNER="qemu-mips -L /toolchain/staging_dir/toolchain-mips_24kc_gcc-8.4.0_musl" \
-    RUSTFLAGS="-L /toolchain/staging_dir/toolchain-mips_24kc_gcc-8.4.0_musl/lib"
diff --git a/ci/docker/mips64-unknown-linux-gnuabi64/Dockerfile b/ci/docker/mips64-unknown-linux-gnuabi64/Dockerfile
deleted file mode 100644
index b5bb6e72c38bd..0000000000000
--- a/ci/docker/mips64-unknown-linux-gnuabi64/Dockerfile
+++ /dev/null
@@ -1,11 +0,0 @@
-FROM ubuntu:23.10
-
-RUN apt-get update && apt-get install -y --no-install-recommends \
-        gcc libc6-dev qemu-user ca-certificates \
-        gcc-mips64-linux-gnuabi64 libc6-dev-mips64-cross \
-        qemu-system-mips64 linux-headers-generic
-
-ENV CARGO_TARGET_MIPS64_UNKNOWN_LINUX_GNUABI64_LINKER=mips64-linux-gnuabi64-gcc \
-    CARGO_TARGET_MIPS64_UNKNOWN_LINUX_GNUABI64_RUNNER="qemu-mips64 -L /usr/mips64-linux-gnuabi64" \
-    CC_mips64_unknown_linux_gnuabi64=mips64-linux-gnuabi64-gcc \
-    PATH=$PATH:/rust/bin
diff --git a/ci/docker/mips64-unknown-linux-muslabi64/Dockerfile b/ci/docker/mips64-unknown-linux-muslabi64/Dockerfile
deleted file mode 100644
index e2c11fe504268..0000000000000
--- a/ci/docker/mips64-unknown-linux-muslabi64/Dockerfile
+++ /dev/null
@@ -1,15 +0,0 @@
-FROM ubuntu:23.10
-
-RUN apt-get update && apt-get install -y --no-install-recommends \
-  gcc make libc6-dev git curl ca-certificates \
-  gcc-mips64-linux-gnuabi64 qemu-user
-
-COPY install-musl.sh /
-RUN sh /install-musl.sh mips64
-
-# FIXME: shouldn't need the `-lgcc` here, shouldn't that be in libstd?
-ENV PATH=$PATH:/musl-mips64/bin:/rust/bin \
-    CC_mips64_unknown_linux_muslabi64=musl-gcc \
-    RUSTFLAGS='-Clink-args=-lgcc -L /musl-mips64/lib' \
-    CARGO_TARGET_MIPS64_UNKNOWN_LINUX_MUSLABI64_LINKER=musl-gcc \
-    CARGO_TARGET_MIPS64_UNKNOWN_LINUX_MUSLABI64_RUNNER="qemu-mips64 -L /musl-mips64"
diff --git a/ci/docker/mips64el-unknown-linux-gnuabi64/Dockerfile b/ci/docker/mips64el-unknown-linux-gnuabi64/Dockerfile
deleted file mode 100644
index 942646b6e2707..0000000000000
--- a/ci/docker/mips64el-unknown-linux-gnuabi64/Dockerfile
+++ /dev/null
@@ -1,11 +0,0 @@
-FROM ubuntu:23.10
-
-RUN apt-get update && apt-get install -y --no-install-recommends \
-        gcc libc6-dev qemu-user ca-certificates \
-        gcc-mips64el-linux-gnuabi64 libc6-dev-mips64el-cross \
-        qemu-system-mips64el linux-headers-generic
-
-ENV CARGO_TARGET_MIPS64EL_UNKNOWN_LINUX_GNUABI64_LINKER=mips64el-linux-gnuabi64-gcc \
-    CARGO_TARGET_MIPS64EL_UNKNOWN_LINUX_GNUABI64_RUNNER="qemu-mips64el -L /usr/mips64el-linux-gnuabi64" \
-    CC_mips64el_unknown_linux_gnuabi64=mips64el-linux-gnuabi64-gcc \
-    PATH=$PATH:/rust/bin
diff --git a/ci/docker/mips64el-unknown-linux-muslabi64/Dockerfile b/ci/docker/mips64el-unknown-linux-muslabi64/Dockerfile
deleted file mode 100644
index 1e9a8a6bdc9da..0000000000000
--- a/ci/docker/mips64el-unknown-linux-muslabi64/Dockerfile
+++ /dev/null
@@ -1,15 +0,0 @@
-FROM ubuntu:23.10
-
-RUN apt-get update && apt-get install -y --no-install-recommends \
-  gcc make libc6-dev git curl ca-certificates \
-  gcc-mips64el-linux-gnuabi64 qemu-user
-
-COPY install-musl.sh /
-RUN sh /install-musl.sh mips64el
-
-# FIXME: shouldn't need the `-lgcc` here, shouldn't that be in libstd?
-ENV PATH=$PATH:/musl-mips64el/bin:/rust/bin \
-    CC_mips64el_unknown_linux_muslabi64=musl-gcc \
-    RUSTFLAGS='-Clink-args=-lgcc -L /musl-mips64el/lib' \
-    CARGO_TARGET_MIPS64EL_UNKNOWN_LINUX_MUSLABI64_LINKER=musl-gcc \
-    CARGO_TARGET_MIPS64EL_UNKNOWN_LINUX_MUSLABI64_RUNNER="qemu-mips64el -L /musl-mips64el"
diff --git a/ci/docker/mipsel-unknown-linux-musl/Dockerfile b/ci/docker/mipsel-unknown-linux-musl/Dockerfile
deleted file mode 100644
index e698729109257..0000000000000
--- a/ci/docker/mipsel-unknown-linux-musl/Dockerfile
+++ /dev/null
@@ -1,25 +0,0 @@
-FROM ubuntu:23.10
-
-RUN apt-get update && apt-get install -y --no-install-recommends \
-        gcc libc6-dev qemu-user ca-certificates qemu-system-mipsel curl \
-        xz-utils patch
-
-RUN mkdir /toolchain
-
-# Linux kernel version: 5.4.154
-# See build_dir/target-mipsel_mips32_musl/linux-brcm47xx_generic/linux-5.4.154
-# Musl version: 1.1.24
-# See staging_dir/toolchain-mipsel_mips32_gcc-8.4.0_musl/info.mk
-RUN curl --retry 5 -L https://downloads.openwrt.org/releases/21.02.1/targets/bcm47xx/generic/openwrt-sdk-21.02.1-bcm47xx-generic_gcc-8.4.0_musl.Linux-x86_64.tar.xz | \
-    tar xJf - -C /toolchain --strip-components=1
-
-# See https://lkml.org/lkml/2014/3/14/269
-COPY sysinfo_guard.patch /toolchain
-RUN patch /toolchain/staging_dir/toolchain-mipsel_mips32_gcc-8.4.0_musl/include/linux/kernel.h </toolchain/sysinfo_guard.patch
-
-ENV PATH=$PATH:/rust/bin:/toolchain/staging_dir/toolchain-mipsel_mips32_gcc-8.4.0_musl/bin \
-    STAGING_DIR=/toolchain/staging_dir \
-    CC_mipsel_unknown_linux_musl=mipsel-openwrt-linux-musl-gcc \
-    CARGO_TARGET_MIPSEL_UNKNOWN_LINUX_MUSL_LINKER=mipsel-openwrt-linux-musl-gcc \
-    CARGO_TARGET_MIPSEL_UNKNOWN_LINUX_MUSL_RUNNER="qemu-mipsel -L /toolchain/staging_dir/toolchain-mipsel_mips32_gcc-8.4.0_musl" \
-    RUSTFLAGS="-L /toolchain/staging_dir/toolchain-mipsel_mips32_gcc-8.4.0_musl/lib"
diff --git a/ci/docker/mipsel-unknown-linux-uclibc/Dockerfile b/ci/docker/mipsel-unknown-linux-uclibc/Dockerfile
deleted file mode 100644
index c5e6794301dc8..0000000000000
--- a/ci/docker/mipsel-unknown-linux-uclibc/Dockerfile
+++ /dev/null
@@ -1,22 +0,0 @@
-FROM ubuntu:23.10
-
-RUN apt-get update && apt-get install -y --no-install-recommends \
-        gcc libc6-dev qemu-user ca-certificates qemu-system-mipsel curl \
-        xz-utils patch
-
-RUN mkdir /toolchain
-
-# binutils	2.33.1
-# gcc	9.3.0
-# gdb	8.3.1
-# linux-headers	4.9.234
-# uclibc	1.0.34
-RUN curl --retry 5 -L https://toolchains.bootlin.com/downloads/releases/toolchains/mips32el/tarballs/mips32el--uclibc--stable-2020.08-1.tar.bz2 | \
-    tar xjf - -C /toolchain --strip-components=1
-RUN /toolchain/relocate-sdk.sh
-
-ENV PATH=$PATH:/rust/bin:/toolchain/bin \
-    STAGING_DIR=/toolchain/mipsel-buildroot-linux-uclibc/sysroot \
-    CC_mipsel_unknown_linux_uclibc=mipsel-buildroot-linux-uclibc-gcc \
-    CARGO_TARGET_MIPSEL_UNKNOWN_LINUX_UCLIBC_LINKER=mipsel-buildroot-linux-uclibc-gcc \
-    CARGO_TARGET_MIPSEL_UNKNOWN_LINUX_UCLIBC_RUNNER="qemu-mipsel -L /toolchain/mipsel-buildroot-linux-uclibc/sysroot/"
diff --git a/ci/install-musl.sh b/ci/install-musl.sh
index 036a369631c0e..7ea50916c4caf 100644
--- a/ci/install-musl.sh
+++ b/ci/install-musl.sh
@@ -46,20 +46,6 @@ case ${1} in
         ./configure --prefix="/musl-${musl_arch}"
         make install -j4
         ;;
-    mips64)
-        musl_arch=mips64
-        kernel_arch=mips
-        CC=mips64-linux-gnuabi64-gcc CFLAGS="-march=mips64r2 -mabi=64" \
-          ./configure --prefix="/musl-${musl_arch}" --enable-wrapper=yes
-        make install -j4
-        ;;
-    mips64el)
-        musl_arch=mips64el
-        kernel_arch=mips
-        CC=mips64el-linux-gnuabi64-gcc CFLAGS="-march=mips64r2 -mabi=64" \
-          ./configure --prefix="/musl-${musl_arch}" --enable-wrapper=yes
-        make install -j4
-        ;;
     s390x)
         musl_arch=s390x
         kernel_arch=s390
diff --git a/ci/install-rust.sh b/ci/install-rust.sh
index 3ce81e6299932..5b50c624cbd66 100644
--- a/ci/install-rust.sh
+++ b/ci/install-rust.sh
@@ -12,9 +12,6 @@ else
   # https://github.com/rust-lang/rust/issues/103673 contains related information.
   case "$TARGET" in
     *android*) toolchain=nightly-2022-10-09;;
-    # FIXME: Unpin once mips' components are available on nightly.
-    # https://rust-lang.github.io/rustup-components-history/mips-unknown-linux-gnu.html
-    *mips*) toolchain=nightly-2023-07-04;;
     *) toolchain=nightly;;
   esac
 fi
diff --git a/libc-test/build.rs b/libc-test/build.rs
index 78bd62e612801..dce0470f053b4 100644
--- a/libc-test/build.rs
+++ b/libc-test/build.rs
@@ -3223,9 +3223,6 @@ fn test_linux(target: &str) {
     let arm = target.contains("arm");
     let aarch64 = target.contains("aarch64");
     let i686 = target.contains("i686");
-    let mips = target.contains("mips");
-    let mips32 = mips && !target.contains("64");
-    let mips64 = mips && target.contains("64");
     let ppc = target.contains("powerpc");
     let ppc64 = target.contains("powerpc64");
     let s390x = target.contains("s390x");
@@ -3727,16 +3724,11 @@ fn test_linux(target: &str) {
             | "IPPROTO_ETHERNET"
             | "IPPROTO_MPTCP" => true,
 
-            // FIXME: Not currently available in headers
-            "P_PIDFD" if mips => true,
-            "SYS_pidfd_open" if mips => true,
+            // FIXME: Not yet implemented on sparc64
+            "SYS_clone3" if sparc64 => true,
 
-            // FIXME: Not currently available in headers on MIPS
-            // Not yet implemented on sparc64
-            "SYS_clone3" if mips | sparc64 => true,
-
-            // FIXME: Not defined on ARM, gnueabihf, MIPS, musl, PowerPC, riscv64, s390x, and sparc64.
-            "SYS_memfd_secret" if arm | gnueabihf | mips | musl | ppc | riscv64 | s390x | sparc64 => true,
+            // FIXME: Not defined on ARM, gnueabihf, musl, PowerPC, riscv64, s390x, and sparc64.
+            "SYS_memfd_secret" if arm | gnueabihf | musl | ppc | riscv64 | s390x | sparc64 => true,
 
             // FIXME: Added in Linux 5.16
             // https://github.com/torvalds/linux/commit/039c0ec9bb77446d7ada7f55f90af9299b28ca49
@@ -3754,10 +3746,10 @@ fn test_linux(target: &str) {
             | "UINPUT_VERSION"
             | "SW_MAX"
             | "SW_CNT"
-                if mips || ppc64 || riscv64 => true,
+                if ppc64 || riscv64 => true,
 
             // FIXME: Not currently available in headers on ARM, MIPS and musl.
-            "NETLINK_GET_STRICT_CHK" if arm || mips || musl => true,
+            "NETLINK_GET_STRICT_CHK" if arm || musl => true,
 
             // kernel constants not available in uclibc 1.0.34
             | "EXTPROC"
@@ -4155,15 +4147,11 @@ fn test_linux(target: &str) {
     });
 
     cfg.skip_roundtrip(move |s| match s {
-        // FIXME:
-        "utsname" if mips32 || mips64 => true,
         // FIXME:
         "mcontext_t" if s390x => true,
         // FIXME: This is actually a union.
         "fpreg_t" if s390x => true,
 
-        "sockaddr_un" | "sembuf" | "ff_constant_effect" if mips32 && (gnu || musl) => true,
-
         // The test doesn't work on some env:
         "ipv6_mreq"
         | "ip_mreq_source"
@@ -4183,7 +4171,7 @@ fn test_linux(target: &str) {
         | "sockaddr_nl"
         | "termios"
         | "nlmsgerr"
-            if (mips64 || sparc64) && gnu =>
+            if sparc64 && gnu =>
         {
             true
         }
@@ -4196,7 +4184,7 @@ fn test_linux(target: &str) {
         "cmsghdr" => true,
 
         // FIXME: the call ABI of max_align_t is incorrect on these platforms:
-        "max_align_t" if i686 || mips64 || ppc64 => true,
+        "max_align_t" if i686 || ppc64 => true,
 
         _ => false,
     });