diff --git a/DIRECTORY.md b/DIRECTORY.md
index 4ffcd20..6386e7e 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -18,6 +18,5 @@
     * [Chapter 6 Functions](python/made-easy/chapter_6_functions.ipynb)
     * [Chapter 6 Functions](python/made-easy/chapter_6_functions.py)
     * [Chapter 8 Data Structure And Sequence](python/made-easy/chapter_8_data_structure_and_sequence.ipynb)
-    * [Chapter 8 Data Structure And Sequence](python/made-easy/chapter_8_data_structure_and_sequence.py)
 
 ## [Remove Base64 Images](/remove_base64_images.py)
diff --git a/README.md b/README.md
index 4ffcd20..6386e7e 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,5 @@
     * [Chapter 6 Functions](python/made-easy/chapter_6_functions.ipynb)
     * [Chapter 6 Functions](python/made-easy/chapter_6_functions.py)
     * [Chapter 8 Data Structure And Sequence](python/made-easy/chapter_8_data_structure_and_sequence.ipynb)
-    * [Chapter 8 Data Structure And Sequence](python/made-easy/chapter_8_data_structure_and_sequence.py)
 
 ## [Remove Base64 Images](/remove_base64_images.py)