diff --git a/C++.gitignore b/C++.gitignore
index 259148fa..90fe0ecb 100644
--- a/C++.gitignore
+++ b/C++.gitignore
@@ -30,3 +30,6 @@
 *.exe
 *.out
 *.app
+
+# debug information files
+*.dwo
diff --git a/C.gitignore b/C.gitignore
index c6127b38..845cda6a 100644
--- a/C.gitignore
+++ b/C.gitignore
@@ -50,3 +50,6 @@ modules.order
 Module.symvers
 Mkfile.old
 dkms.conf
+
+# debug information files
+*.dwo