diff --git a/development/Makefile.am b/development/Makefile.am
index f73d8bacb1..f8e951ebcf 100644
--- a/development/Makefile.am
+++ b/development/Makefile.am
@@ -120,8 +120,6 @@ cmake/LyX_summary.txt \
 cmake/PyCompile.cmake \
 cmake/TODO.txt \
 cmake/build4-2010.bat \
-cmake/build5-2010.bat \
-cmake/build5-2010-installer.bat \
 cmake/build5-2015.bat \
 cmake/build5-2015-installer.bat \
 cmake/config.cpp.cmake \