diff --git a/browser/.cvsignore b/browser/.cvsignore
index 4dc1dfb6d..6becc4d88 100644
--- a/browser/.cvsignore
+++ b/browser/.cvsignore
@@ -18,3 +18,6 @@ browse.h
 interactive_query.h
 mer_browser.init
 Mercury
+browser_library.dv
+browse_test.dv
+collect_lib.h
diff --git a/library/.cvsignore b/library/.cvsignore
index 054aa3a53..ba85e8811 100644
--- a/library/.cvsignore
+++ b/library/.cvsignore
@@ -19,4 +19,5 @@ io.h std_util.h exception.h
 library.nu.nl
 mer_std.init
 library.dep
+library.dv
 Mercury
diff --git a/profiler/.cvsignore b/profiler/.cvsignore
index c0294b294..5aa7f53df 100644
--- a/profiler/.cvsignore
+++ b/profiler/.cvsignore
@@ -11,4 +11,5 @@
 *.date3
 mercury_profile
 mercury_profile.dep
+mercury_profile.dv
 Mercury