diff --git a/.gitignore b/.gitignore
index 382a5b83c6..5f5ea4939c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,12 +12,6 @@
 win32
 win64
 
-# standard names of directories for objects and binaries for samples
-bin
-obj
-Debug
-Release
-
 # project files and artifacts
 /adm/msvc
 /adm/wnt
diff --git a/dox/FILES_HTML.txt b/dox/FILES_HTML.txt
index 8902aedd3f..6aabaa6ee0 100644
--- a/dox/FILES_HTML.txt
+++ b/dox/FILES_HTML.txt
@@ -43,8 +43,8 @@ dev_guides/contribution/coding_rules.md
 dev_guides/contribution_workflow/contribution_workflow.md
 dev_guides/git_guide/git_guide.md
 dev_guides/tests/tests.md
-dev_guides/debug/debug.md
-dev_guides/upgrade/upgrade.md
+debug/debug.md
+upgrade/upgrade.md
 dev_guides/visualization/pbr_math.md
 
 dev_guides/building/building.md
diff --git a/dox/FILES_PDF.txt b/dox/FILES_PDF.txt
index f1b467f011..8e1922147a 100644
--- a/dox/FILES_PDF.txt
+++ b/dox/FILES_PDF.txt
@@ -25,7 +25,7 @@ dev_guides/documentation/documentation.md
 dev_guides/contribution/coding_rules.md
 dev_guides/git_guide/git_guide.md
 dev_guides/tests/tests.md
-dev_guides/upgrade/upgrade.md
+upgrade/upgrade.md
 dev_guides/visualization/pbr_math.md
 
 tutorial/tutorial.md
diff --git a/dox/dev_guides/debug/debug.md b/dox/debug/debug.md
similarity index 100%
rename from dox/dev_guides/debug/debug.md
rename to dox/debug/debug.md
diff --git a/dox/dev_guides/debug/occt.natvis b/dox/debug/occt.natvis
similarity index 100%
rename from dox/dev_guides/debug/occt.natvis
rename to dox/debug/occt.natvis
diff --git a/dox/dev_guides/upgrade/upgrade.md b/dox/upgrade/upgrade.md
similarity index 100%
rename from dox/dev_guides/upgrade/upgrade.md
rename to dox/upgrade/upgrade.md