diff --git a/.gitignore b/.gitignore
index 79296c3adc3..2b8d68958c1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,4 @@
 /*/*/bin
+/*/*/index
 /*/*/target
+.DS_Store
diff --git a/doc/org.eclipse.cdt.doc.isv/.gitignore b/doc/org.eclipse.cdt.doc.isv/.gitignore
index 146679de06d..9cd5171a1a3 100644
--- a/doc/org.eclipse.cdt.doc.isv/.gitignore
+++ b/doc/org.eclipse.cdt.doc.isv/.gitignore
@@ -1 +1,3 @@
-/cdtconvert.txt
+.metadata
+cdtconvert.txt
+reference
diff --git a/doc/org.eclipse.cdt.doc.isv/reference/.gitignore b/doc/org.eclipse.cdt.doc.isv/reference/.gitignore
index e340d794a36..94bcabeb79c 100644
--- a/doc/org.eclipse.cdt.doc.isv/reference/.gitignore
+++ b/doc/org.eclipse.cdt.doc.isv/reference/.gitignore
@@ -1 +1,2 @@
-/extension-points
+api
+extension-points