diff --git a/.gitignore b/.gitignore
index 5c9a10a20e..b77ce18e74 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,9 +1,6 @@
 Makefile.local
-CMakeLists.txt.user
 
 dependencies/archives/
-!dependencies/archives/autoconf.patch
-!dependencies/archives/patchelf-0.8.tar.gz
 
 dependencies/install/
 dependencies/sources/
@@ -24,10 +21,10 @@ or-tools*.zip
 build.log
 test.log
 publish.log
-bin/
 ortools/gen/
 objs/
 classes/
+packages/
 temp_test/
 temp_fz/
 temp_fz_test/
@@ -37,9 +34,8 @@ temp_dotnet_test/
 temp_archive/
 temp_fz_archive/
 lib/
+bin/
 install/
-examples/csharp/solution/*.csproj
-examples/csharp/*.sln
 examples/notebook/.ipynb_checkpoints
 
 ortools/bazel-*
@@ -48,36 +44,8 @@ bazel-*
 
 tools/docker/export
 
-# Prerequisites
-*.d
-
-# Compiled Object files
-*.slo
-*.lo
-*.obj
-
-# Precompiled Headers
-*.gch
-*.pch
-
-# Compiled Dynamic libraries
-*.dylib
-*.dll
-
-# Fortran module files
-*.mod
-*.smod
-
-# Compiled Static libraries
-*.lai
-*.la
-*.a
-*.lib
-
-# Executables
-bin/*.exe
-bin/*.app
-
+CMakeLists.txt.user
+*.userprefs
 *build*/*
 .idea/*
 .idea/
@@ -85,23 +53,16 @@ build/
 cache/
 **/.vscode/*
 .DS_Store
-
 **/.vs/*
-**/dotnet-test/*
 
-tools/dotnet/CreateSigningKey/bin
-tools/dotnet/CreateSigningKey/obj
 ortools/dotnet/*/*.csproj
 ortools/dotnet/*/*.fsproj
 ortools/dotnet/*/runtime.json
-ortools/dotnet/**/bin
-ortools/dotnet/**/obj
-packages
-examples/tests/**/bin
-examples/tests/**/obj
-examples/dotnet/**/bin
-examples/dotnet/**/obj
+ortools/dotnet/*/bin
+ortools/dotnet/*/obj
 ortools/**/samples/bin
 ortools/**/samples/obj
-
-*.userprefs
+examples/tests/bin
+examples/tests/obj
+examples/dotnet/bin
+examples/dotnet/obj