diff --git a/python/CMakeLists.txt b/python/CMakeLists.txt
index 79a27f17f..b79c5f9ea 100644
--- a/python/CMakeLists.txt
+++ b/python/CMakeLists.txt
@@ -86,7 +86,7 @@ pybind_wrap(${GTSAM_PYTHON_TARGET} # target
             ${PROJECT_SOURCE_DIR}/python/gtsam/gtsam.tpl
             gtsam # libs
             "gtsam;gtsam_header" # dependencies
-            ON # use_boost
+            OFF # use_boost
             )
 
 set_target_properties(${GTSAM_PYTHON_TARGET} PROPERTIES
@@ -166,7 +166,7 @@ if(GTSAM_UNSTABLE_BUILD_PYTHON)
             ${PROJECT_SOURCE_DIR}/python/gtsam_unstable/gtsam_unstable.tpl
             gtsam_unstable # libs
             "gtsam_unstable;gtsam_unstable_header" # dependencies
-            ON # use_boost
+            OFF # use_boost
             )
 
     set_target_properties(${GTSAM_PYTHON_UNSTABLE_TARGET} PROPERTIES