--- mixxx-2.3.0/CMakeLists.txt
+++ mixxx-2.3.0/CMakeLists.txt
@@ -1320,23 +1320,6 @@
     "${MIXXX_INSTALL_LICENSEDIR}"
 )
 
-# Documentation
-install(
-  FILES
-    "${CMAKE_CURRENT_SOURCE_DIR}/README.md"
-    "${CMAKE_CURRENT_SOURCE_DIR}/res/Mixxx-Keyboard-Shortcuts.pdf"
-  DESTINATION
-    "${MIXXX_INSTALL_DOCDIR}"
-)
-if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/res/Mixxx-Manual.pdf")
-  install(
-    FILES
-      "${CMAKE_CURRENT_SOURCE_DIR}/res/Mixxx-Manual.pdf"
-    DESTINATION
-      "${MIXXX_INSTALL_DOCDIR}"
-  )
-endif()
-
 # Additional Linux-only files
 if(UNIX AND NOT APPLE)
   # .desktop file for KDE/GNOME menu