diff --git a/cmake/git.cmake b/cmake/git.cmake
index f88e984..f04f52b 100644
--- a/cmake/git.cmake
+++ b/cmake/git.cmake
@@ -1,39 +1,5 @@
-# --- extract version from Git
-
-set(PROJECT_MAJOR 0)
-set(PROJECT_MINOR 0)
-set(PROJECT_PATCH 0)
-set(PROJECT_VERSION 0.0.0)
-find_program(GIT_VERSION_GEN NAMES git-version-gen
-             PATHS ${CMAKE_SOURCE_DIR}/build-aux NO_DEFAULT_PATH)
-if(GIT_VERSION_GEN)
-  execute_process(COMMAND ${GIT_VERSION_GEN} .tarball-version
-    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
-    RESULT_VARIABLE _err
-    OUTPUT_VARIABLE git_version
-    OUTPUT_STRIP_TRAILING_WHITESPACE)
-endif()
-if(_err EQUAL 0)
-  if(git_version MATCHES
-                 "^(0|[1-9][0-9]*)[.](0|[1-9][0-9]*)[.](0|[1-9][0-9]*)[.].*")
-    set(PROJECT_MAJOR "${CMAKE_MATCH_1}")
-    set(PROJECT_MINOR "${CMAKE_MATCH_2}")
-    set(PROJECT_PATCH "${CMAKE_MATCH_3}")
-    set(PROJECT_VERSION ${PROJECT_MAJOR}.${PROJECT_MINOR}.${PROJECT_PATCH}.999)
-  elseif(git_version MATCHES
-                 "^(0|[1-9][0-9]*)[.](0|[1-9][0-9]*)[.](0|[1-9][0-9]*)")
-    set(PROJECT_MAJOR "${CMAKE_MATCH_1}")
-    set(PROJECT_MINOR "${CMAKE_MATCH_2}")
-    set(PROJECT_PATCH "${CMAKE_MATCH_3}")
-    set(PROJECT_VERSION ${PROJECT_MAJOR}.${PROJECT_MINOR}.${PROJECT_PATCH})
-  elseif(git_version MATCHES
-                 "^(0|[1-9][0-9]*)[.](0|[1-9][0-9]*)")
-    set(PROJECT_MAJOR "${CMAKE_MATCH_1}")
-    set(PROJECT_MINOR "${CMAKE_MATCH_2}")
-    set(PROJECT_VERSION ${PROJECT_MAJOR}.${PROJECT_MINOR})
-  elseif(git_version MATCHES
-                 "^(0|[1-9][0-9]*)")
-    set(PROJECT_MAJOR "${CMAKE_MATCH_1}")
-    set(PROJECT_VERSION ${PROJECT_MAJOR})
-  endif()
-endif()
+set(git_version 2.8.5)
+set(PROJECT_MAJOR 2)
+set(PROJECT_MINOR 8)
+set(PROJECT_PATCH 5)
+set(PROJECT_VERSION 2.8.5)