diff --git a/lib/base/CMakeLists.txt b/lib/base/CMakeLists.txt
index 815af1162..8467c9468 100644
--- a/lib/base/CMakeLists.txt
+++ b/lib/base/CMakeLists.txt
@@ -47,9 +47,6 @@ if(HAVE_LIBEXECINFO)
     target_link_libraries(base execinfo)
 endif()
 
-include_directories(${icinga2_SOURCE_DIR}/third-party/cJSON)
-link_directories(${icinga2_BINARY_DIR}/third-party/cJSON)
-
 include_directories(${icinga2_SOURCE_DIR}/third-party/execvpe)
 link_directories(${icinga2_BINARY_DIR}/third-party/execvpe)
 
diff --git a/lib/base/value.hpp b/lib/base/value.hpp
index 12885cbfe..e6b106738 100644
--- a/lib/base/value.hpp
+++ b/lib/base/value.hpp
@@ -25,8 +25,6 @@
 #include <boost/variant/variant.hpp>
 #include <boost/variant/get.hpp>
 
-struct cJSON;
-
 namespace icinga
 {