diff --git a/lesson_4/phonebook/book/book.go b/lesson_4/book/book.go
similarity index 100%
rename from lesson_4/phonebook/book/book.go
rename to lesson_4/book/book.go
diff --git a/lesson_4/phonebook/go.mod b/lesson_4/go.mod
similarity index 100%
rename from lesson_4/phonebook/go.mod
rename to lesson_4/go.mod
diff --git a/lesson_4/phonebook/logger/logger.go b/lesson_4/logger/logger.go
similarity index 100%
rename from lesson_4/phonebook/logger/logger.go
rename to lesson_4/logger/logger.go
diff --git a/lesson_4/phonebook/main.go b/lesson_4/main.go
similarity index 100%
rename from lesson_4/phonebook/main.go
rename to lesson_4/main.go