diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
deleted file mode 100644
index 1d39f3c..0000000
--- a/.github/workflows/build.yml
+++ /dev/null
@@ -1,21 +0,0 @@
-name: Build
-on:
-  push:
-    branches:
-      - main
-      - develop
-  pull_request:
-    types: [opened, synchronize, reopened]
-jobs:
-  sonarcloud:
-    name: SonarQube Cloud
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
-      - name: SonarQube Cloud Scan
-        uses: SonarSource/sonarcloud-github-action@master
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  # Needed to get PR information, if any
-          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
\ No newline at end of file
diff --git a/changelog.md b/changelog.md
index 47d3585..fce6b06 100644
--- a/changelog.md
+++ b/changelog.md
@@ -3,6 +3,8 @@
 ## 2.6.1 (05/12/2024)
 
 + Add html block
++ Update readme
++ Code optimisations
 
 ## 2.6.0 (21/05/2024)
 
diff --git a/sonar-project.properties b/sonar-project.properties
deleted file mode 100644
index d4ca825..0000000
--- a/sonar-project.properties
+++ /dev/null
@@ -1,13 +0,0 @@
-sonar.projectKey=Pixel-Open_sulu-blockbundle
-sonar.organization=pixel-open
-
-# This is the name and version displayed in the SonarCloud UI.
-#sonar.projectName=sulu-blockbundle
-#sonar.projectVersion=1.0
-
-
-# Path is relative to the sonar-project.properties file. Replace "\" by "/" on Windows.
-#sonar.sources=.
-
-# Encoding of the source code. Default is default system encoding
-#sonar.sourceEncoding=UTF-8
\ No newline at end of file
diff --git a/src/DependencyInjection/BlockExtension.php b/src/DependencyInjection/BlockExtension.php
index 187767e..1c54c8b 100644
--- a/src/DependencyInjection/BlockExtension.php
+++ b/src/DependencyInjection/BlockExtension.php
@@ -30,6 +30,6 @@ public function prepend(ContainerBuilder $container): void
     public function load(array $configs, ContainerBuilder $container): void
     {
         $configuration = new Configuration();
-        $config = $this->processConfiguration($configuration, $configs);
+        $this->processConfiguration($configuration, $configs);
     }
 }
diff --git a/src/DependencyInjection/Configuration.php b/src/DependencyInjection/Configuration.php
index e8fefa0..a891d40 100644
--- a/src/DependencyInjection/Configuration.php
+++ b/src/DependencyInjection/Configuration.php
@@ -9,7 +9,6 @@ class Configuration implements ConfigurationInterface
 {
     public function getConfigTreeBuilder()
     {
-        $treeBuilder = new TreeBuilder('pixel_blockbundle');
-        return $treeBuilder;
+        return new TreeBuilder('pixel_blockbundle');
     }
 }