diff --git a/ament_cmake_core/ament_cmake_environment-extras.cmake b/ament_cmake_core/ament_cmake_environment-extras.cmake
index 5d2ea270..3f55d76c 100644
--- a/ament_cmake_core/ament_cmake_environment-extras.cmake
+++ b/ament_cmake_core/ament_cmake_environment-extras.cmake
@@ -14,8 +14,6 @@
 
 # copied from ament_cmake_core/ament_cmake_environment-extras.cmake
 
-option(AMENT_CMAKE_ENVIRONMENT_GENERATION
-  "Generate environment files in the CMAKE_INSTALL_PREFIX" OFF)
 option(AMENT_CMAKE_ENVIRONMENT_PARENT_PREFIX_PATH_GENERATION
   "Generate marker file containing the parent prefix path" ON)
 
diff --git a/ament_cmake_core/cmake/environment/ament_cmake_environment_package_hook.cmake b/ament_cmake_core/cmake/environment/ament_cmake_environment_package_hook.cmake
index 1567fcdf..379081b2 100644
--- a/ament_cmake_core/cmake/environment/ament_cmake_environment_package_hook.cmake
+++ b/ament_cmake_core/cmake/environment/ament_cmake_environment_package_hook.cmake
@@ -12,10 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-if(AMENT_CMAKE_ENVIRONMENT_GENERATION)
-  ament_generate_environment()
-endif()
-
 function(ament_cmake_environment_generate_package_run_dependencies_marker)
   # use all run dependencies from the package.xml
   set(run_depends "")