diff --git a/config.org b/config.org
index 79c349f..0a00028 100644
--- a/config.org
+++ b/config.org
@@ -639,14 +639,11 @@ Adding rainbow coloring to parentheses.
 * Org Babel
 [[https://orgmode.org/worg//org-contrib/babel/languages/ob-doc-C.html][How to use C++ code blocks (tables included)]]
 #+begin_src emacs-lisp
-  (git-package "https://github.com/ljos/ob-prolog")   
-  (use-package ob-prolog)
   (org-babel-do-load-languages
    'org-babel-load-languages
    '((shell . t)
      (C . t)
-     (python . t)
-     (prolog . t)))
+     (python . t)))
 #+end_src
 * ORG MODE
 ** Org Copy Link
diff --git a/packages/nixmacs/default.nix b/packages/nixmacs/default.nix
index a2c00f9..4c15a2c 100644
--- a/packages/nixmacs/default.nix
+++ b/packages/nixmacs/default.nix
@@ -103,7 +103,6 @@
 	gcc # for C++ code blocks
 	python3 #for python code blocks
         #kdePackages.qtdeclarative #qmlls
-	swi-prolog
       ]);
 
     # Optionally override derivations.