diff --git a/go_design_pattern_book/concurrent_pattern/pipeline/main.go b/concurrency/pipeline/pipeline/main.go
similarity index 100%
rename from go_design_pattern_book/concurrent_pattern/pipeline/main.go
rename to concurrency/pipeline/pipeline/main.go
diff --git a/go_design_pattern_book/creational/builder/main.go b/creational/builder/builder/main.go
similarity index 100%
rename from go_design_pattern_book/creational/builder/main.go
rename to creational/builder/builder/main.go
diff --git a/go_design_pattern_book/creational/builder/main_test.go b/creational/builder/builder/main_test.go
similarity index 100%
rename from go_design_pattern_book/creational/builder/main_test.go
rename to creational/builder/builder/main_test.go