diff --git a/Cantera/matlab/Makefile.in b/Cantera/matlab/Makefile.in
index 9122998af..f70b967a0 100644
--- a/Cantera/matlab/Makefile.in
+++ b/Cantera/matlab/Makefile.in
@@ -47,9 +47,7 @@ install:
 	@INSTALL@ -d @prefix@/matlab/toolbox/cantera/cantera/@FlowDevice/private
 	@INSTALL@ -d @prefix@/matlab/toolbox/cantera/cantera/1D
 	@INSTALL@ -d @prefix@/matlab/toolbox/cantera/cantera/1D/@Domain1D
-	@INSTALL@ -d @prefix@/matlab/toolbox/cantera/cantera/1D/@Domain1D/private
 	@INSTALL@ -d @prefix@/matlab/toolbox/cantera/cantera/1D/@Stack
-	@INSTALL@ -d @prefix@/matlab/toolbox/cantera/cantera/1D/@Stack/private
 	cd cantera; @INSTALL@ *.m *.@mex_ext@ @prefix@/matlab/toolbox/cantera/cantera
 	cd cantera/private; @INSTALL@ *.m \
             @prefix@/matlab/toolbox/cantera/cantera/private
@@ -86,12 +84,8 @@ install:
             @prefix@/matlab/toolbox/cantera/cantera/1D
 	cd cantera/1D/@Domain1D; @INSTALL@ *.m \
             @prefix@/matlab/toolbox/cantera/cantera/1D/@Domain1D
-	cd cantera/1D/@Domain1D/private; @INSTALL@ *.m \
-            @prefix@/matlab/toolbox/cantera/cantera/1D/@Domain1D/private
 	cd cantera/1D/@Stack; @INSTALL@ *.m \
             @prefix@/matlab/toolbox/cantera/cantera/1D/@Stack
-	cd cantera/1D/@Stack/private; @INSTALL@ *.m \
-            @prefix@/matlab/toolbox/cantera/cantera/1D/@Stack/private
 
 
 clean: