diff --git a/core/defuns/defuns-spaceline.el b/core/defuns/defuns-spaceline.el
deleted file mode 100644
index b3975afcb..000000000
--- a/core/defuns/defuns-spaceline.el
+++ /dev/null
@@ -1,25 +0,0 @@
-;;; defuns-spaceline.el
-
-(defvar doom-env-version-hook '()
-  "Hook that runs whenever the environment version changes (e.g. rbenv/pyenv)")
-
-;;;###autoload
-(defun doom|spaceline-env-update ()
-  (when doom--env-command
-    (let ((default-directory (doom/project-root)))
-      (let ((s (shell-command-to-string doom--env-command)))
-        (setq doom--env-version (if (string-match "[ \t\n\r]+\\'" s)
-                                    (replace-match "" t t s)
-                                  s))
-        (run-hook-with-args 'doom-env-version-hook doom--env-version)))))
-
-;;;###autoload
-(defun doom/-flycheck-count (state)
-  "Return flycheck information for the given error type STATE."
-  (when (flycheck-has-current-errors-p state)
-    (if (eq 'running flycheck-last-status-change)
-        "?"
-      (cdr-safe (assq state (flycheck-count-errors flycheck-current-errors))))))
-
-(provide 'defuns-spaceline)
-;;; defuns-spaceline.el ends here
diff --git a/core/defuns/macros-spaceline.el b/core/defuns/macros-spaceline.el
deleted file mode 100644
index cb6ffe867..000000000
--- a/core/defuns/macros-spaceline.el
+++ /dev/null
@@ -1,17 +0,0 @@
-;;; defuns-spaceline.el
-
-;;;###autoload
-(defmacro def-version-cmd! (modes command)
-  "Define a COMMAND for MODE that will set `doom--env-command' when that mode is
-activated, which should return the version number of the current environment. It is used
-by `doom|spaceline-env-update' to display a version number in the modeline. For instance:
-
-  (def-version-cmd! ruby-mode \"ruby --version | cut -d' ' -f2\")
-
-This will display the ruby version in the modeline in ruby-mode buffers. It is cached the
-first time."
-  (add-hook! (focus-in find-file) 'doom|spaceline-env-update)
-  `(add-hook! ,modes (setq doom--env-command ,command)))
-
-(provide 'defuns-spaceline)
-;;; defuns-spaceline.el ends here