diff --git a/CMakeLists.txt b/CMakeLists.txt
index cedda387b..c462f5aa6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -387,8 +387,6 @@ endif()
 # Cython wrap
 if (GTSAM_INSTALL_CYTHON_TOOLBOX)
 	add_subdirectory(cython)
-  # Option for using system Eigency or GTSAM-bundled Eigency
-  option(GTSAM_USE_SYSTEM_EIGENCY "Find and use system-installed Eigency. If 'off', use the one bundled with GTSAM" OFF)
 endif()
 
 
@@ -522,13 +520,6 @@ endif()
 message(STATUS "Cython toolbox flags                                      ")
 print_config_flag(${GTSAM_INSTALL_CYTHON_TOOLBOX}      "Install Cython toolbox         ")
 print_config_flag(${GTSAM_BUILD_WRAP}                  "Build Wrap                     ")
-if (GTSAM_INSTALL_CYTHON_TOOLBOX)
-  if(GTSAM_USE_SYSTEM_EIGENCY)
-    message(STATUS "  Use System Eigency             : Yes")
-  else()
-    message(STATUS "  Use System Eigency             : No")
-  endif()
-endif()
 message(STATUS "===============================================================")
 
 # Print warnings at the end
diff --git a/cython/CMakeLists.txt b/cython/CMakeLists.txt
index d537d4b68..43e00c139 100644
--- a/cython/CMakeLists.txt
+++ b/cython/CMakeLists.txt
@@ -4,14 +4,9 @@ include(GtsamCythonWrap)
 # Create the cython toolbox for the gtsam library
 if (GTSAM_INSTALL_CYTHON_TOOLBOX)
   # build and include eigency
-  if (GTSAM_USE_SYSTEM_EIGENCY)
-    find_package(Eigency REQUIRED)
-    include_directories(${EIGENCY_INCLUDE_DIRS})
-  else()
-    add_subdirectory(eigency)
-    include_directories(eigency)
-    file(COPY eigency DESTINATION ".")
-  endif()
+  add_subdirectory(eigency)
+  include_directories(eigency)
+  file(COPY eigency DESTINATION ".") # so eigency's cython headers can be found when cythonizing gtsam
 
   # wrap gtsam
   add_custom_target(gtsam_header DEPENDS "../gtsam.h")