diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index 869b1168..b2dc61d8 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -13,6 +13,7 @@ and [Historic GitHub Contributors](https://github.com/zalando-incubator/kopf/gra
 - [Clement Liaw](https://github.com/iexalt)
 - [Ismail Kaboubi](https://github.com/smileisak)
 - [Michael Narodovitch](https://github.com/michaelnarodovitch)
+- [Rodrigo Tavares](https://github.com/tavaresrodrigo)
 - [Sergey Vasilyev](https://github.com/nolar)
 - [Soroosh Sarabadani](https://github.com/psycho-ir)
 - [Trond Hindenes](https://github.com/trondhindenes)
diff --git a/docs/walkthrough/creation.rst b/docs/walkthrough/creation.rst
index 70e62f11..7fb272cb 100644
--- a/docs/walkthrough/creation.rst
+++ b/docs/walkthrough/creation.rst
@@ -50,7 +50,6 @@ We will use the official Kubernetes client library (``pip install kubernetes``):
 
 .. code-block:: python
     :name: creation
-    :linenos:
     :caption: ephemeral.py
 
     import os
diff --git a/docs/walkthrough/deletion.rst b/docs/walkthrough/deletion.rst
index 99ada336..42bb05c1 100644
--- a/docs/walkthrough/deletion.rst
+++ b/docs/walkthrough/deletion.rst
@@ -31,7 +31,6 @@ Let's extend the creation handler:
 
 .. code-block:: python
     :name: adopting
-    :linenos:
     :caption: ephemeral.py
     :emphasize-lines: 18
 
diff --git a/docs/walkthrough/diffs.rst b/docs/walkthrough/diffs.rst
index 04cca6f3..2a55ffed 100644
--- a/docs/walkthrough/diffs.rst
+++ b/docs/walkthrough/diffs.rst
@@ -27,7 +27,6 @@ but we will use another feature of Kopf to track one specific field only:
 
 .. code-block:: python
     :name: with-new
-    :linenos:
     :caption: ephemeral.py
     :emphasize-lines: 1, 5
 
@@ -90,7 +89,6 @@ exactly as needed for the patch object (i.e. the field is present there):
 
 .. code-block:: python
     :name: with-diff
-    :linenos:
     :caption: ephemeral.py
     :emphasize-lines: 4
 
diff --git a/docs/walkthrough/starting.rst b/docs/walkthrough/starting.rst
index 271330f8..39c17ff6 100644
--- a/docs/walkthrough/starting.rst
+++ b/docs/walkthrough/starting.rst
@@ -12,7 +12,6 @@ just to see how it can be started.
 
 .. code-block:: python
     :name: skeleton
-    :linenos:
     :caption: ephemeral.py
 
     import kopf
diff --git a/docs/walkthrough/updates.rst b/docs/walkthrough/updates.rst
index 28696778..342decbb 100644
--- a/docs/walkthrough/updates.rst
+++ b/docs/walkthrough/updates.rst
@@ -21,7 +21,6 @@ Let's extend the creation handler we already have from the previous step
 with one additional line:
 
 .. code-block:: python
-    :linenos:
     :caption: ephemeral.py
     :emphasize-lines: 24