diff --git a/.builds/freebsd.yml b/.builds/freebsd.yml
deleted file mode 100644
index 628129c..0000000
--- a/.builds/freebsd.yml
+++ /dev/null
@@ -1,26 +0,0 @@
-image: freebsd/12.x
-shell: true
-packages:
-  - ruby
-sources:
-  - hg+https://hg.sr.ht/~mahlon/ruby-mdbx
-tasks:
-  - env-setup: |
-      sudo sh -c 'echo "DEFAULT_VERSIONS+=ruby=2.7" > /etc/make.conf'
-      sudo portsnap fetch extract
-      cd /usr/ports/devel/ruby-gems
-      sudo make -DBATCH install
-      cd /usr/ports/databases/mdbx
-      sudo make -DBATCH install
-  - project-setup: |
-      cd ~/ruby-mdbx
-      sudo gem install -Ng
-  - test: |
-      export LC_ALL=en_US.UTF-8
-      cd ~/ruby-mdbx
-      rake test
-triggers:
-  - action: email
-    condition: always
-    to: mahlon@martini.nu
-
diff --git a/.builds/ubuntu.yml b/.builds/ubuntu.yml
deleted file mode 100644
index c5865cd..0000000
--- a/.builds/ubuntu.yml
+++ /dev/null
@@ -1,29 +0,0 @@
-image: ubuntu/lts
-shell: true
-packages:
-  - ruby
-  - ruby-dev
-sources:
-  - hg+https://hg.sr.ht/~mahlon/ruby-mdbx
-tasks:
-  - env-setup: |
-      git clone https://github.com/erthink/libmdbx.git
-      cd libmdbx
-      make dist
-      cd dist
-      make
-      sudo make install
-  - project-setup: |
-      cd ~/ruby-mdbx
-      sudo gem install -Ng
-  - test: |
-      sudo locale-gen en_US.UTF-8
-      sudo update-locale LANG=en_US.UTF-8
-      export LC_ALL=en_US.UTF-8
-      cd ~/ruby-mdbx
-      rake test
-triggers:
-  - action: email
-    condition: always
-    to: mahlon@martini.nu
-
diff --git a/.fossil-settings/ignore-glob b/.fossil-settings/ignore-glob
new file mode 100644
index 0000000..cef99dd
--- /dev/null
+++ b/.fossil-settings/ignore-glob
@@ -0,0 +1,7 @@
+Session.vim
+certs/*
+coverage/*
+docs/*
+gem.deps.rb.lock
+*.so
+tmp/*
diff --git a/.hgignore b/.hgignore
deleted file mode 100644
index 0df4e77..0000000
--- a/.hgignore
+++ /dev/null
@@ -1,14 +0,0 @@
-docs/
-tmp/
-\.bundle$
-\.lock$
-\.gemspec$
-\.so$
-spec/\.status
-coverage/
-vendor/
-pkg/
-^tags$
-^Session.vim$
-^Makefile$
-
diff --git a/.hgtags b/.hgtags
deleted file mode 100644
index 2131495..0000000
--- a/.hgtags
+++ /dev/null
@@ -1,9 +0,0 @@
-c14e8ea0e67a45d90f043b22be315f16f7739b8d v0.1.0
-c39094588d1a84e6308a67c1f9839f57076899cc v0.1.1
-5800b57c017128e9c0db64e705601266fca35e4c v0.2.0
-9c89a11d03f788f4f783a5a84636c9e05354bd6c v0.2.1
-0822baccbb0b40972aee951e876133b49e494f8c v0.3.0
-8d8d8b9cce95871b84ed841905d2763dba715b95 v0.3.2
-bad4df6dc0e35990ff62f7325decc94cef53ac18 v0.3.3
-bad4df6dc0e35990ff62f7325decc94cef53ac18 v0.3.3
-b3a4090a0d89e872ad517d8edc533fd52839f952 v0.3.3