diff --git a/.gitmodules b/.gitmodules
index ab5acf0..7e89251 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -130,9 +130,6 @@
 [submodule "site-lisp/rainbow-delimiters"]
 	path = site-lisp/rainbow-delimiters
 	url = https://github.com/Fanael/rainbow-delimiters.git
-[submodule "site-lisp/circadian"]
-	path = site-lisp/circadian
-	url = https://github.com/guidoschmidt/circadian.el.git
 [submodule "site-lisp/tomelr"]
 	path = site-lisp/tomelr
 	url = https://github.com/kaushalmodi/tomelr.git
diff --git a/lisp/init-theme.el b/lisp/init-theme.el
index be67460..19b951c 100644
--- a/lisp/init-theme.el
+++ b/lisp/init-theme.el
@@ -52,13 +52,6 @@
 
 (blink-cursor-mode -1)
 
-(require 'circadian)
-(when (and (fboundp 'circadian-setup)
-           (custom-theme-name-valid-p 'modus-vivendi))
-  (setq circadian-themes '(("08:00" . modus-operandi)
-                           ("18:00" . modus-vivendi)))
-  (circadian-setup))
-
 
 (defconst creature/font-config
   ;; '(("Operator Mono Book" . 16))
diff --git a/site-lisp/circadian b/site-lisp/circadian
deleted file mode 160000
index bf5a00e..0000000
--- a/site-lisp/circadian
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit bf5a00ea45c14dfdcda72c5d9f61bcd230c48159