diff --git a/Cantera/matlab/.cvsignore b/Cantera/matlab/.cvsignore
new file mode 100644
index 000000000..f3c7a7c5d
--- /dev/null
+++ b/Cantera/matlab/.cvsignore
@@ -0,0 +1 @@
+Makefile
diff --git a/Cantera/matlab/cantera/.cvsignore b/Cantera/matlab/cantera/.cvsignore
new file mode 100644
index 000000000..3466e50af
--- /dev/null
+++ b/Cantera/matlab/cantera/.cvsignore
@@ -0,0 +1,2 @@
+buildux.m
+ctmethods.mex*
diff --git a/Cantera/python/.cvsignore b/Cantera/python/.cvsignore
index 3c6ff92ae..8914e817c 100644
--- a/Cantera/python/.cvsignore
+++ b/Cantera/python/.cvsignore
@@ -1,2 +1,4 @@
 Makefile
 build
+_build
+setup.py
\ No newline at end of file
diff --git a/Cantera/src/.cvsignore b/Cantera/src/.cvsignore
index f3c7a7c5d..69201c422 100644
--- a/Cantera/src/.cvsignore
+++ b/Cantera/src/.cvsignore
@@ -1 +1,2 @@
 Makefile
+ctdir.h