diff --git a/CMakeLists.txt b/CMakeLists.txt
index a32f3b076..5fd5d521c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -19,7 +19,6 @@ set (CMAKE_PROJECT_VERSION_MAJOR ${GTSAM_VERSION_MAJOR})
 set (CMAKE_PROJECT_VERSION_MINOR ${GTSAM_VERSION_MINOR})
 set (CMAKE_PROJECT_VERSION_PATCH ${GTSAM_VERSION_PATCH})
 
-set (SMAKE_INSTALL_PREFIX:PATH ${CMAKE_CURRENT_SOURCE_DIR}/../../install/)
 ###############################################################################
 # Gather information, perform checks, set defaults