diff --git a/lisp/ob-python.el b/lisp/ob-python.el
index fc7b9e2d1..2f91b535f 100644
--- a/lisp/ob-python.el
+++ b/lisp/ob-python.el
@@ -47,15 +47,13 @@
   :group 'org-babel
   :type 'string)
 
-(defcustom org-babel-python-mode 'python
+(defcustom org-babel-python-mode
+  (if (or (featurep 'xemacs) (featurep 'python-mode)) 'python-mode 'python)
   "Preferred python mode for use in running python interactively.
 This will typically be either 'python or 'python-mode."
   :group 'org-babel
   :version "24.4"
   :package-version '(Org . "8.0")
-  :set (lambda (var val)
-	 (set-default var (if (or (featurep 'xemacs) (featurep 'python-mode))
-			      'python-mode 'python)))
   :type 'symbol)
 
 (defvar org-src-preserve-indentation)
diff --git a/lisp/org.el b/lisp/org.el
index 7f0d79ad2..df92e722c 100644
--- a/lisp/org.el
+++ b/lisp/org.el
@@ -1721,17 +1721,15 @@ In tables, the special behavior of RET has precedence."
   :group 'org-link-follow
   :type 'boolean)
 
-(defcustom org-mouse-1-follows-link 450
+(defcustom org-mouse-1-follows-link
+  (if (boundp 'mouse-1-click-follows-link) mouse-1-click-follows-link t)
   "Non-nil means mouse-1 on a link will follow the link.
 A longer mouse click will still set point.  Does not work on XEmacs.
 Needs to be set before org.el is loaded."
   :group 'org-link-follow
   :version "24.4"
   :package-version '(Org . "8.3")
-  :set (lambda (var val)
-	 (set-default var (if (boundp 'mouse-1-click-follows-link)
-			      mouse-1-click-follows-link t)))
-  :type '(choice 
+  :type '(choice
 	  (const :tag "A double click follows the link" 'double)
 	  (const :tag "Unconditionally follow the link with mouse-1" t)
 	  (integer :tag "mouse-1 click does not follow the link if longer than N ms" 450)))
diff --git a/lisp/ox-html.el b/lisp/ox-html.el
index 6d44f07bd..9f35a46de 100644
--- a/lisp/ox-html.el
+++ b/lisp/ox-html.el
@@ -674,7 +674,7 @@ The function should return the string to be exported."
 
 ;;;; LaTeX
 
-(defcustom org-html-with-latex t
+(defcustom org-html-with-latex org-export-with-latex
   "Non-nil means process LaTeX math snippets.
 
 When set, the exporter will process LaTeX environments and
@@ -695,7 +695,6 @@ t              Synonym for `mathjax'."
   :group 'org-export-html
   :version "24.4"
   :package-version '(Org . "8.0")
-  :set (lambda (var val) (set-default var org-export-with-latex))
   :type '(choice
 	  (const :tag "Do not process math in any way" nil)
 	  (const :tag "Use dvipng to make images" dvipng)
diff --git a/lisp/ox-odt.el b/lisp/ox-odt.el
index 1b3bddf84..e848ff686 100644
--- a/lisp/ox-odt.el
+++ b/lisp/ox-odt.el
@@ -705,7 +705,7 @@ The function should return the string to be exported."
 
 ;;;; LaTeX
 
-(defcustom org-odt-with-latex t
+(defcustom org-odt-with-latex org-export-with-latex
   "Non-nil means process LaTeX math snippets.
 
 When set, the exporter will process LaTeX environments and
@@ -726,7 +726,6 @@ t              Synonym for `mathjax'."
   :group 'org-export-odt
   :version "24.4"
   :package-version '(Org . "8.0")
-  :set (lambda (var val) (set-default var org-export-with-latex))
   :type '(choice
 	  (const :tag "Do not process math in any way" nil)
 	  (const :tag "Use dvipng to make images" dvipng)