diff --git a/CMakeLists.txt b/CMakeLists.txt
index f246de7..4548033 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,11 +13,6 @@ if(POLICY CMP0048)
   cmake_policy(SET CMP0048 NEW)
 endif()
 
-set(LIB_MAJOR_VERSION "0")
-set(LIB_MINOR_VERSION "13")
-set(LIB_PATCH_VERSION "1")
-set(LIB_VERSION_STRING "${LIB_MAJOR_VERSION}.${LIB_MINOR_VERSION}.${LIB_PATCH_VERSION}")
-
 if (CMAKE_VERSION VERSION_LESS 3.0)
   project(json-c)
 else()