diff --git a/Doxyfile.in b/Doxyfile.in
index 4374e54858..d06c344528 100644
--- a/Doxyfile.in
+++ b/Doxyfile.in
@@ -864,10 +864,8 @@ RECURSIVE              = YES
 # run.
 
 EXCLUDE                = ./src/ext/ed25519 \
-                         ./src/ext/rust \
                          ./src/trunnel \
-                         ./src/test \
-                         ./src/rust/registry
+                         ./src/test
 
 # The EXCLUDE_SYMLINKS tag can be used to select whether or not files or
 # directories that are symbolic links (a Unix file system feature) are excluded
diff --git a/config.rust b/config.rust
deleted file mode 100644
index 878a231cda..0000000000
--- a/config.rust
+++ /dev/null
@@ -1,24 +0,0 @@
-# Used by our cargo build.rs script to get variables from autoconf.
-#
-# The "configure" script will generate "config.rust" from "config.rust.in",
-# and then build.rs will read "config.rust".
-
-BUILDDIR=/home/dgoulet/Documents/git/tor
-TOR_LDFLAGS_zlib=
-TOR_LDFLAGS_nss=@TOR_LDFLAGS_nss@
-TOR_LDFLAGS_openssl=
-TOR_LDFLAGS_libevent=
-TOR_ZLIB_LIBS=-lz
-TOR_LIB_MATH=-lm
-TOR_LIBEVENT_LIBS=-levent
-TOR_OPENSSL_LIBS=-lssl -lcrypto
-TOR_LIB_WS32=
-TOR_LIB_GDI=
-TOR_LIB_USERENV=
-CURVE25519_LIBS=
-TOR_SYSTEMD_LIBS=-lsystemd
-TOR_LZMA_LIBS=-llzma
-TOR_ZSTD_LIBS=-lzstd
-LIBS=-lseccomp -lcap 
-LDFLAGS= -pie -z relro -z now -rdynamic
-NSS_LIBS=
diff --git a/doc/HACKING/README.1st.md b/doc/HACKING/README.1st.md
index 06a24e8300..1c0decf9ce 100644
--- a/doc/HACKING/README.1st.md
+++ b/doc/HACKING/README.1st.md
@@ -5,12 +5,11 @@
 This directory has helpful information about what you need to know to
 hack on Tor!
 
-First, read `GettingStarted.md` and `GettingStartedRust.md`
-to learn how to get a start in Tor development.
+First, read `GettingStarted.md` to learn how to get a start in Tor
+development.
 
-If you've decided to write a patch, `CodingStandards.md` and
-`CodingStandardsRust.md` will give you a bunch of information
-about how we structure our code.
+If you've decided to write a patch, `CodingStandards.md` will give you a bunch
+of information about how we structure our code.
 
 It's important to get the code right!  Reading `WritingTests.md` will
 tell you how to write and run tests in the Tor codebase.
diff --git a/src/ext/rust b/src/ext/rust
deleted file mode 160000
index aa37fb84fb..0000000000
--- a/src/ext/rust
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit aa37fb84fb829902e83ca11a7244bbc6b86b809b