diff --git a/.gitignore b/.gitignore
index 2542747ac..286e8dda5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -62,6 +62,7 @@ spack*
 .vscode
 /.cache/
 .venv
+/.projectile
 
 # Generated files
 *podio_generated_files.cmake
@@ -79,3 +80,6 @@ spack*
 # CLion artifacts
 .idea/
 cmake-build*/
+
+# Created by tests
+/tools/Digraph.gv
diff --git a/CMakeLists.txt b/CMakeLists.txt
old mode 100755
new mode 100644
diff --git a/README.md b/README.md
old mode 100755
new mode 100644
diff --git a/doc/doc.md b/doc/doc.md
old mode 100755
new mode 100644
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
old mode 100755
new mode 100644
diff --git a/tests/datalayout.yaml b/tests/datalayout.yaml
old mode 100755
new mode 100644
diff --git a/tests/schema_evolution/datalayout_new.yaml b/tests/schema_evolution/datalayout_new.yaml
old mode 100755
new mode 100644