diff --git a/dot-config/zsh/interactive/skim.zsh b/dot-config/zsh/interactive/skim.zsh
new file mode 100644
index 0000000..223750d
--- /dev/null
+++ b/dot-config/zsh/interactive/skim.zsh
@@ -0,0 +1,8 @@
+#! zsh
+if (( $+commands[sk] )); then
+	# TODO: figure out where lotabout/skim puts these Zsh support files on non-Homebrew installs
+	[[ $- == *i* ]] && source /usr/local/opt/sk/share/zsh/site-functions/completion.zsh 2>/dev/null
+	source /usr/local/opt/sk/share/zsh/site-functions/key-bindings.zsh
+else
+	bindkey '^R' history-incremental-search-backward
+fi
diff --git a/dot-config/zsh/login/langs.zsh b/dot-config/zsh/login/langs.zsh
index 6ea4d1d..24e9141 100644
--- a/dot-config/zsh/login/langs.zsh
+++ b/dot-config/zsh/login/langs.zsh
@@ -2,15 +2,6 @@
 
 local -a newbins
 
-# asdf
-export ASDF_CONFIG_FILE=$XDG_CONFIG_HOME/asdf/asdfrc
-export ASDF_DATA_DIR=$XDG_DATA_HOME/asdf
-# Don't add asdf's directories to the command path, because evaluating its
-# version resolution every time you call a tool is really slow. Instead just
-# configure asdf to respect XDG base directories, then rely on Direnv to
-# resolve paths properly for each project, as described here:
-# https://github.com/zimfw/asdf#how-to-configure-asdf-to-work-with-the-direnv-installed-with-my-system-package-manager
-
 # docker
 export DOCKER_CONFIG=$XDG_CONFIG_HOME/docker
 
diff --git a/dot-config/zsh/zimrc.zsh b/dot-config/zsh/zimrc.zsh
index 4ebd930..4234941 100644
--- a/dot-config/zsh/zimrc.zsh
+++ b/dot-config/zsh/zimrc.zsh
@@ -39,7 +39,6 @@ zmodule mollifier/cd-gitroot --fpath . --autoload cd-gitroot
 zmodule zsh-users/zsh-autosuggestions
 
 (( ${+commands[brew]} )) && zmodule homebrew
-zeval-if-installed atuin 'atuin init zsh --disable-up-arrow'
 zeval-if-installed direnv 'direnv hook zsh'
 zeval-if-installed scmpuff 'scmpuff init --shell=zsh'