diff --git a/lisp/doom-lib.el b/lisp/doom-lib.el
index b65414713..3caca2e7e 100644
--- a/lisp/doom-lib.el
+++ b/lisp/doom-lib.el
@@ -286,6 +286,14 @@ See `eval-if!' for details on this macro's purpose."
   (when (eval cond)
     (macroexp-progn body)))
 
+(defmacro eval-when-compile! (&rest body)
+  "Evaluate BODY *only* during byte-compilation.
+
+Unlike `eval-when-compile', which is equivalent to `progn' in interpreted code,
+this macro's BODY will only be evaluated during byte-compilation."
+  (declare (indent 0))
+  (when (bound-and-true-p byte-compile-current-file)
+    (ignore (eval (macroexp-progn body) t))))
 
 ;;; Closure factories
 (defmacro lambda! (arglist &rest body)