diff --git a/generators/all_posts.py b/generators/all_posts.py
index 0927425..ed3e38a 100644
--- a/generators/all_posts.py
+++ b/generators/all_posts.py
@@ -81,7 +81,7 @@ class AllPosts(Index):
             cur_posts.append(p)
 
         # Last month
-        if not month_elem is None and len(cur_posts) != 0:
+        if len(cur_posts) != 0:
             cur_posts.reverse()
             month_elem = self.createElement(dom, 'month')
             month_def = dom.createElement('month')
@@ -129,7 +129,7 @@ class AllPosts(Index):
             cur_posts.append(p)
 
         # Last year
-        if not year_elem is None and len(cur_posts) != 0:
+        if len(cur_posts) != 0:
             year_elem = self.createElement(dom, 'year')
             year_def = dom.createElement('year')
             year_def.appendChild(dom.createTextNode(cur_posts[0].creation_date.strftime(date_format)))