diff --git a/cmake/modules/InstallationHelper.cmake b/cmake/modules/InstallationHelper.cmake
--- a/cmake/modules/InstallationHelper.cmake
+++ b/cmake/modules/InstallationHelper.cmake
@@ -193,9 +193,11 @@
 
 	_add_install_target(manpage-${TARGET}
 		DEPENDS gen-manpage-${TARGET}
+		EXCLUDE_FROM_ALL
 	)
 	_add_install_target(manpages
 		DEPENDS install-manpage-${TARGET}
+		EXCLUDE_FROM_ALL
 	)
 
 	if(NOT TARGET install-manpages-html)
diff --git a/contrib/gitian-descriptors/gitian-osx.yml b/contrib/gitian-descriptors/gitian-osx.yml
--- a/contrib/gitian-descriptors/gitian-osx.yml
+++ b/contrib/gitian-descriptors/gitian-osx.yml
@@ -170,7 +170,6 @@
     ninja
 
     ninja install/strip
-    ninja install-manpages
 
     export PYTHONPATH="${BASEPREFIX}/${i}/native/lib/python3/dist-packages:${PYTHONPATH}"
     ninja osx-deploydir