diff --git a/.rspec b/.rspec
index 1b9d7f3..83e16f8 100644
--- a/.rspec
+++ b/.rspec
@@ -1,3 +1,2 @@
 --color
 --require spec_helper
---tag ~repository
diff --git a/README.md b/README.md
index 1303e78..c8becf8 100644
--- a/README.md
+++ b/README.md
@@ -68,15 +68,6 @@ The `evaluate` command analyzes the given microservices architecture, and evalua
 ```bash
 $ mosaik evaluate --help
 ```
-## Development and Testing
-
-Some test make use of a simulated git repository. If you want to use this repository for development, run the following command:
-
-```bash
-$ rspec spec/mosaik/repository_spec.rb --tag repository
-```
-
-The simulated git repository will be copied to `tmp/repository` and can be used for development.
 
 ## Releasing
 
diff --git a/spec/mosaik/extractors/evolution_spec.rb b/spec/mosaik/extractors/evolution_spec.rb
index 8e599ca..95b6478 100644
--- a/spec/mosaik/extractors/evolution_spec.rb
+++ b/spec/mosaik/extractors/evolution_spec.rb
@@ -29,9 +29,7 @@
   end
 
   describe "logical coupling" do
-    let(:options) { { directory:, limit: 100, logical: 1, contributor: 0 } }
-
-    include_context "with a git repository"
+    let(:options) { { directory: "tmp/repository", limit: 100, logical: 1, contributor: 0 } }
 
     it "constructs a logical coupling graph" do
       extractor.call
@@ -48,9 +46,7 @@
   end
 
   describe "contributor coupling" do
-    let(:options) { { directory:, limit: 100, logical: 0, contributor: 1 } }
-
-    include_context "with a git repository"
+    let(:options) { { directory: "tmp/repository", limit: 100, logical: 0, contributor: 1 } }
 
     it "constructs a contributor coupling graph" do
       extractor.call
diff --git a/spec/mosaik/extractors/structural_spec.rb b/spec/mosaik/extractors/structural_spec.rb
index d7245e0..9812fc4 100644
--- a/spec/mosaik/extractors/structural_spec.rb
+++ b/spec/mosaik/extractors/structural_spec.rb
@@ -23,8 +23,6 @@
   describe "structural coupling" do
     let(:options) { { structural: 1 } }
 
-    include_context "with a git repository"
-
     it "constructs a logical coupling graph" do
       extractor.call
 
diff --git a/spec/mosaik/repository_spec.rb b/spec/mosaik/repository_spec.rb
deleted file mode 100644
index 30f2925..0000000
--- a/spec/mosaik/repository_spec.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-# frozen_string_literal: true
-
-RSpec.describe "Repository", :repository do
-  include_context "with a git repository"
-
-  it "copies the simulated git repository" do
-    FileUtils.mkdir_p MOSAIK.root.join("tmp/repository")
-
-    expect { FileUtils.cp_r File.join(directory, "."), MOSAIK.root.join("tmp/repository") }.not_to raise_error
-  end
-end
diff --git a/spec/support/setup_repository.rb b/spec/support/setup_repository.rb
new file mode 100644
index 0000000..0b60b33
--- /dev/null
+++ b/spec/support/setup_repository.rb
@@ -0,0 +1,79 @@
+# frozen_string_literal: true
+
+# Relative path to the repository
+DIRECTORY = "tmp/repository"
+
+# Committers
+john = "John Doe <john@example.com>"
+jane = "Jane Doe <jane@example.com>"
+joey = "Joey Doe <joey@example.com>"
+
+# Cleanup the temporary repository directory
+FileUtils.remove_entry(DIRECTORY)
+
+# Initialize the repository
+GIT = Git.init(DIRECTORY)
+
+# Set up committer configuration
+GIT.config("user.name", "John Doe")
+GIT.config("user.email", "john@example.com")
+
+def commit(author, **files_with_content)
+  # Write the files with content
+  files_with_content.each do |file, content|
+    FileUtils.mkdir_p(File.join(DIRECTORY, File.dirname(file)))
+    File.write(File.join(DIRECTORY, file), content)
+  end
+
+  # Add and commit the files
+  GIT.add
+  GIT.commit("Add #{files_with_content.keys.join(', ')}", author:)
+end
+
+# Setup the repository with initial commit
+commit john,
+       "README.md" => "# Test Repository"
+
+# Add MOSAIK configuration
+commit john,
+       "mosaik.yml" => File.read(MOSAIK.root.join("config/mosaik.yml"))
+
+# Add application structure
+commit john,
+       "lib/app.rb" => "class App; end"
+
+# Add classes
+commit john,
+       "lib/app/foo.rb" => "class App::Foo; end",
+       "lib/app/bar.rb" => "class App::Bar; end"
+
+commit jane,
+       "lib/app/foo.rb" => "class App::Foo; def initialize; end; end",
+       "lib/app/bat.rb" => "class App::Bat; end"
+
+commit john,
+       "lib/app/foo.rb" => "class App::Foo; end",
+       "lib/app/bak.rb" => "class App::Bak; end"
+
+commit jane,
+       "lib/app/bat.rb" => "class App::Bat; def initialize; end; end",
+       "lib/app/baz.rb" => "class App::Baz; end"
+
+commit john,
+       "lib/app/bat.rb" => "class App::Bat; end",
+       "lib/app/baz.rb" => "class App::Baz; def initialize; end; end"
+
+commit joey,
+       "lib/app/bat.rb" => "class App::Bat; def initialize; end; end",
+       "lib/app/baz.rb" => "class App::Baz; end"
+
+RSpec.configure do |config|
+  config.before do
+    configuration = MOSAIK::Configuration.from(File.join(DIRECTORY, "mosaik.yml"))
+
+    # Mock the configuration
+    allow(MOSAIK)
+      .to receive(:configuration)
+      .and_return configuration
+  end
+end
diff --git a/spec/support/shared_contexts/repository.rb b/spec/support/shared_contexts/repository.rb
deleted file mode 100644
index 82f197d..0000000
--- a/spec/support/shared_contexts/repository.rb
+++ /dev/null
@@ -1,77 +0,0 @@
-# frozen_string_literal: true
-
-RSpec.shared_context "with a git repository" do
-  let(:directory) { Dir.mktmpdir }
-  let(:git) { Git.init(directory) }
-
-  let(:configuration) { MOSAIK::Configuration.from(File.join(directory, "mosaik.yml")) }
-
-  let(:john) { "John Doe <john@example.com>" }
-  let(:jane) { "Jane Doe <jane@example.com>" }
-  let(:joey) { "Joey Doe <joey@example.com>" }
-
-  def commit(author, **files_with_content)
-    # Write the files with content
-    files_with_content.each do |file, content|
-      FileUtils.mkdir_p(File.join(directory, File.dirname(file)))
-      File.write(File.join(directory, file), content)
-    end
-
-    # Add and commit the files
-    git.add
-    git.commit("Add #{files_with_content.keys.join(', ')}", author:)
-  end
-
-  before do
-    # Set up committer configuration
-    git.config("user.name", "Author 1")
-    git.config("user.email", "john@example.com")
-
-    # Setup the repository with initial commit
-    commit john,
-           "README.md" => "# Test Repository"
-
-    # Add MOSAIK configuration
-    commit john,
-           "mosaik.yml" => File.read(MOSAIK.root.join("config/mosaik.yml"))
-
-    # Add application structure
-    commit john,
-           "lib/app.rb" => "class App; end"
-
-    # Add classes
-    commit john,
-           "lib/app/foo.rb" => "class App::Foo; end",
-           "lib/app/bar.rb" => "class App::Bar; end"
-
-    commit jane,
-           "lib/app/foo.rb" => "class App::Foo; def initialize; end; end",
-           "lib/app/bat.rb" => "class App::Bat; end"
-
-    commit john,
-           "lib/app/foo.rb" => "class App::Foo; end",
-           "lib/app/bak.rb" => "class App::Bak; end"
-
-    commit jane,
-           "lib/app/bat.rb" => "class App::Bat; def initialize; end; end",
-           "lib/app/baz.rb" => "class App::Baz; end"
-
-    commit john,
-           "lib/app/bat.rb" => "class App::Bat; end",
-           "lib/app/baz.rb" => "class App::Baz; def initialize; end; end"
-
-    commit joey,
-           "lib/app/bat.rb" => "class App::Bat; def initialize; end; end",
-           "lib/app/baz.rb" => "class App::Baz; end"
-
-    # Mock the configuration
-    allow(MOSAIK)
-      .to receive(:configuration)
-      .and_return configuration
-  end
-
-  after do
-    # Cleanup the temporary directory
-    FileUtils.remove_entry(directory)
-  end
-end