diff --git a/docshell/resources/.cvsignore b/docshell/resources/.cvsignore
new file mode 100644
index 00000000000..f3c7a7c5da6
--- /dev/null
+++ b/docshell/resources/.cvsignore
@@ -0,0 +1 @@
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diff --git a/docshell/resources/content/.cvsignore b/docshell/resources/content/.cvsignore
new file mode 100644
index 00000000000..f3c7a7c5da6
--- /dev/null
+++ b/docshell/resources/content/.cvsignore
@@ -0,0 +1 @@
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diff --git a/docshell/resources/locale/.cvsignore b/docshell/resources/locale/.cvsignore
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/docshell/resources/locale/en-US/.cvsignore b/docshell/resources/locale/en-US/.cvsignore
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/extensions/pref/autoconfig/resources/.cvsignore b/extensions/pref/autoconfig/resources/.cvsignore
new file mode 100644
index 00000000000..f3c7a7c5da6
--- /dev/null
+++ b/extensions/pref/autoconfig/resources/.cvsignore
@@ -0,0 +1 @@
+Makefile
diff --git a/htmlparser/tests/html/.cvsignore b/htmlparser/tests/html/.cvsignore
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/layout/html/document/src/xbl-marquee/.cvsignore b/layout/html/document/src/xbl-marquee/.cvsignore
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/layout/html/document/src/xbl-marquee/resources/.cvsignore b/layout/html/document/src/xbl-marquee/resources/.cvsignore
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/mailnews/extensions/mdn/build/.cvsignore b/mailnews/extensions/mdn/build/.cvsignore
new file mode 100644
index 00000000000..f3c7a7c5da6
--- /dev/null
+++ b/mailnews/extensions/mdn/build/.cvsignore
@@ -0,0 +1 @@
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diff --git a/mailnews/import/comm4x/.cvsignore b/mailnews/import/comm4x/.cvsignore
new file mode 100644
index 00000000000..f3c7a7c5da6
--- /dev/null
+++ b/mailnews/import/comm4x/.cvsignore
@@ -0,0 +1 @@
+Makefile
diff --git a/mailnews/import/comm4x/public/.cvsignore b/mailnews/import/comm4x/public/.cvsignore
new file mode 100644
index 00000000000..f3c7a7c5da6
--- /dev/null
+++ b/mailnews/import/comm4x/public/.cvsignore
@@ -0,0 +1 @@
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diff --git a/mailnews/import/comm4x/src/.cvsignore b/mailnews/import/comm4x/src/.cvsignore
new file mode 100644
index 00000000000..f3c7a7c5da6
--- /dev/null
+++ b/mailnews/import/comm4x/src/.cvsignore
@@ -0,0 +1 @@
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diff --git a/modules/libpr0n/decoders/xbm/.cvsignore b/modules/libpr0n/decoders/xbm/.cvsignore
new file mode 100644
index 00000000000..f3c7a7c5da6
--- /dev/null
+++ b/modules/libpr0n/decoders/xbm/.cvsignore
@@ -0,0 +1 @@
+Makefile
diff --git a/parser/htmlparser/tests/html/.cvsignore b/parser/htmlparser/tests/html/.cvsignore
new file mode 100644
index 00000000000..f3c7a7c5da6
--- /dev/null
+++ b/parser/htmlparser/tests/html/.cvsignore
@@ -0,0 +1 @@
+Makefile