Index: app/helpers/application_helper.rb
===================================================================
--- app/helpers/application_helper.rb	(revision 15109)
+++ app/helpers/application_helper.rb	(working copy)
@@ -1244,7 +1244,7 @@
   # +user+ can be a User or a string that will be scanned for an email address (eg. 'joe <joe@foo.bar>')
   def avatar(user, options = { })
     if Setting.gravatar_enabled?
-      options.merge!({:ssl => (request && request.ssl?), :default => Setting.gravatar_default})
+      options.merge!(:default => Setting.gravatar_default)
       email = nil
       if user.respond_to?(:mail)
         email = user.mail
Index: lib/plugins/gravatar/lib/gravatar.rb
===================================================================
--- lib/plugins/gravatar/lib/gravatar.rb	(revision 15109)
+++ lib/plugins/gravatar/lib/gravatar.rb	(working copy)
@@ -55,15 +55,9 @@
       image_tag src, options
     end
     
-    # Returns the base Gravatar URL for the given email hash. If ssl evaluates to true,
-    # a secure URL will be used instead. This is required when the gravatar is to be 
-    # displayed on a HTTPS site.
-    def gravatar_api_url(hash, ssl=false)
-      if ssl
-        "https://secure.gravatar.com/avatar/#{hash}"
-      else
-        "http://www.gravatar.com/avatar/#{hash}"
-      end
+    # Returns the base Gravatar URL for the given email hash
+    def gravatar_api_url(hash)
+      "//www.gravatar.com/avatar/#{hash}"
     end
 
     # Return the gravatar URL for the given email address.
@@ -71,7 +65,7 @@
       email_hash = Digest::MD5.hexdigest(email)
       options = DEFAULT_OPTIONS.merge(options)
       options[:default] = CGI::escape(options[:default]) unless options[:default].nil?
-      gravatar_api_url(email_hash, options.delete(:ssl)).tap do |url|
+      gravatar_api_url(email_hash).tap do |url|
         opts = []
         [:rating, :size, :default].each do |opt|
           unless options[opt].nil?