diff --git a/include/FactorGraphConfig.h b/include/FactorGraphConfig.h
index cfb0d37..46d8e31 100644
--- a/include/FactorGraphConfig.h
+++ b/include/FactorGraphConfig.h
@@ -33,8 +33,6 @@
 #define FACTORGRAPHCONFIG_H
 
 #include <ceres/ceres.h>
-#include <fstream>
-#include <jsoncpp/json/json.h>
 #include "FactorGraph.h"
 
 /** Range Error Model */
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index e2ddd95..78850a1 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -66,5 +66,5 @@ include_directories(${INCLUDEDIR})
 
 add_library(libRSF SHARED ${SOURCEFILES} ${HEADERFILES})
 
-target_link_libraries(libRSF ${CERES_LIBRARIES} ${OpenCV_LIBS} ${JSONCPP_LIBRARIES}) #Threads::Threads
+target_link_libraries(libRSF ${CERES_LIBRARIES})