diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3377afd..77b5644 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -54,6 +54,7 @@ option(LIEF_COVERAGE       "Perform code coverage"                      OFF)
 option(LIEF_USE_CCACHE     "Use ccache to speed up compilation"         ON)
 option(LIEF_EXTRA_WARNINGS "Enable extra warning from the compiler"     OFF)
 option(LIEF_LOGGING        "Enable logging"                             ON)
+option(LIEF_ENABLE_JSON    "Enable JSON-related APIs"                   ON)
 
 option(LIEF_ELF            "Build LIEF with ELF module"                 ON)
 option(LIEF_PE             "Build LIEF with PE  module"                 ON)
@@ -74,17 +75,23 @@ endif()
 
 # Json
 # ----
-set(LIBJSON_GIT_URL "https://github.com/nlohmann/json.git" CACHE STRING "URL to the JSON lib repo")
-ExternalProject_Add(lief_libjson
-  GIT_REPOSITORY    ${LIBJSON_GIT_URL}
-  GIT_TAG           v2.0.8
-  CONFIGURE_COMMAND ""
-  BUILD_COMMAND     ""
-  INSTALL_COMMAND   "")
-
-ExternalProject_get_property(lief_libjson SOURCE_DIR)
-set(LIBJSON_SOURCE_DIR "${SOURCE_DIR}")
+if (LIEF_ENABLE_JSON)
+  set(LIBJSON_GIT_URL "https://github.com/nlohmann/json.git" CACHE STRING "URL to the JSON lib repo")
+  ExternalProject_Add(lief_libjson
+    GIT_REPOSITORY    ${LIBJSON_GIT_URL}
+    GIT_TAG           v2.0.8
+    CONFIGURE_COMMAND ""
+    BUILD_COMMAND     ""
+    INSTALL_COMMAND   "")
 
+  ExternalProject_get_property(lief_libjson SOURCE_DIR)
+  set(LIBJSON_SOURCE_DIR "${SOURCE_DIR}")
+  message(STATUS "Enable JSON support")
+  set(ENABLE_JSON_SUPPORT 1)
+else()
+  message(STATUS "Disable JSON support")
+  set(ENABLE_JSON_SUPPORT 0)
+endif()
 
 # Rang
 # ----
@@ -330,6 +337,12 @@ configure_file(
   "${CMAKE_CURRENT_BINARY_DIR}/include/LIEF/version.h"
 )
 
+configure_file(
+  "${CMAKE_CURRENT_SOURCE_DIR}/include/LIEF/config.h.in"
+  "${CMAKE_CURRENT_BINARY_DIR}/include/LIEF/config.h"
+  @ONLY
+)
+
 set (LIEF_PUBLIC_INCLUDE_DIR
   "${CMAKE_CURRENT_SOURCE_DIR}/include/"
   "${CMAKE_CURRENT_SOURCE_DIR}/api/c/include/"
@@ -375,8 +388,10 @@ target_include_directories(LIB_LIEF_SHARED
   PRIVATE "${LIEF_PRIVATE_INCLUDE_DIR}")
 
 
-add_dependencies(LIB_LIEF_STATIC lief_libjson)
-add_dependencies(LIB_LIEF_SHARED lief_libjson)
+if (LIEF_ENABLE_JSON)
+  add_dependencies(LIB_LIEF_STATIC lief_libjson)
+  add_dependencies(LIB_LIEF_SHARED lief_libjson)
+endif()
 
 add_dependencies(LIB_LIEF_STATIC lief_easyloggingpp)
 add_dependencies(LIB_LIEF_SHARED lief_easyloggingpp)
diff --git a/api/python/CMakeLists.txt b/api/python/CMakeLists.txt
index 88d4f69..a27d940 100644
--- a/api/python/CMakeLists.txt
+++ b/api/python/CMakeLists.txt
@@ -54,13 +54,20 @@ set(PYBIND11_SOURCE_DIR "${SOURCE_DIR}")
 set(LIEF_PYTHON_BASIC_SRC
   "${CMAKE_CURRENT_SOURCE_DIR}/pyLIEF.cpp"
   "${CMAKE_CURRENT_SOURCE_DIR}/pyUtils.cpp"
-  "${CMAKE_CURRENT_SOURCE_DIR}/pyJson.cpp"
   "${CMAKE_CURRENT_SOURCE_DIR}/pyIterators.cpp"
   "${CMAKE_CURRENT_SOURCE_DIR}/pyExceptions.cpp"
   "${CMAKE_CURRENT_SOURCE_DIR}/pyLogger.cpp"
   "${CMAKE_CURRENT_SOURCE_DIR}/encoding.cpp"
 )
 
+if (LIEF_ENABLE_JSON)
+  set(LIEF_PYTHON_BASIC_SRC
+    $(LIEF_PYTHON_BASIC_SRC)
+    "${CMAKE_CURRENT_SOURCE_DIR}/pyJson.cpp"
+  )
+endif()
+
+
 set(LIEF_PYTHON_ABSTRACT_SRC
   "${CMAKE_CURRENT_SOURCE_DIR}/Abstract/init.cpp"
   "${CMAKE_CURRENT_SOURCE_DIR}/Abstract/objects"
diff --git a/api/python/pyLIEF.cpp b/api/python/pyLIEF.cpp
index 95bc808..5606d4b 100644
--- a/api/python/pyLIEF.cpp
+++ b/api/python/pyLIEF.cpp
@@ -51,7 +51,10 @@ PYBIND11_PLUGIN(_pylief) {
   // Init util functions
   init_utils_functions(LIEF_module);
 
+
+#if defined(LIEF_JSON_SUPPORT)
   init_json_functions(LIEF_module);
+#endif
 
   return LIEF_module.ptr();
 }
diff --git a/api/python/pyLIEF.hpp b/api/python/pyLIEF.hpp
index 476e0a6..1b56722 100644
--- a/api/python/pyLIEF.hpp
+++ b/api/python/pyLIEF.hpp
@@ -21,10 +21,14 @@
 #include <pybind11/operators.h>
 #include <functional>
 
+#include <LIEF/config.h>
+
 #include "encoding.hpp"
 
 #include "pyIterators.hpp"
 
+#define RST_CLASS_REF(X) ":class:`~"#X"`"
+
 namespace py = pybind11;
 
 using namespace pybind11::literals;
@@ -36,8 +40,10 @@ void init_ELF_module(py::module&);
 void init_PE_module(py::module&);
 void init_MachO_module(py::module&);
 void init_utils_functions(py::module&);
-void init_json_functions(py::module&);
 
-#define RST_CLASS_REF(X) ":class:`~"#X"`"
+#if defined(LIEF_JSON_SUPPORT)
+void init_json_functions(py::module&);
+#endif
+
 
 #endif
diff --git a/include/LIEF/config.h.in b/include/LIEF/config.h.in
new file mode 100644
index 0000000..777489b
--- /dev/null
+++ b/include/LIEF/config.h.in
@@ -0,0 +1,24 @@
+/* Copyright 2017 A. Guinet
+ * Copyright 2017 Quarkslab
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef LIEF_CONFIG_H_
+#define LIEF_CONFIG_H_
+
+#if @ENABLE_JSON_SUPPORT@
+#define LIEF_JSON_SUPPORT
+#endif
+
+#endif
diff --git a/include/LIEF/json.hpp b/include/LIEF/json.hpp
index db2adc8..bb0b95d 100644
--- a/include/LIEF/json.hpp
+++ b/include/LIEF/json.hpp
@@ -15,8 +15,13 @@
  */
 #ifndef LIEF_JSON_H_
 #define LIEF_JSON_H_
+
+#include <LIEF/config.h>
+
+#ifdef LIEF_JSON_SUPPORT
 #include <json.hpp>
 
 using json = nlohmann::json;
+#endif
 
 #endif
diff --git a/include/LIEF/to_json.hpp b/include/LIEF/to_json.hpp
index 0c321af..b5873c9 100644
--- a/include/LIEF/to_json.hpp
+++ b/include/LIEF/to_json.hpp
@@ -16,6 +16,10 @@
 #ifndef LIEF_TO_JSON_H_
 #define LIEF_TO_JSON_H_
 
+#include "LIEF/config.h"
+
+#ifdef LIEF_JSON_SUPPORT
+
 #include "LIEF/json.hpp"
 
 #include "LIEF/visitors/json.hpp"
@@ -41,4 +45,6 @@ std::string to_json_str(const T& obj) {
 
 } // namespace LIEF
 
+#endif // LIEF_JSON_SUPPORT
+
 #endif
diff --git a/include/LIEF/visitors/elf_json.hpp b/include/LIEF/visitors/elf_json.hpp
index 3b72abe..67f1fa0 100644
--- a/include/LIEF/visitors/elf_json.hpp
+++ b/include/LIEF/visitors/elf_json.hpp
@@ -16,6 +16,10 @@
 #ifndef LIEF_ELF_VISITOR_JSONS_H_
 #define LIEF_ELF_VISITOR_JSONS_H_
 
+#include "LIEF/config.h"
+
+#ifdef LIEF_JSON_SUPPORT
+
 #include "LIEF/visibility.h"
 #include "LIEF/visitors/json.hpp"
 
@@ -59,5 +63,6 @@ class DLL_PUBLIC JsonVisitor : public LIEF::JsonVisitor {
 }
 }
 
+#endif // LIEF_JSON_SUPPORT
 
 #endif
diff --git a/include/LIEF/visitors/json.hpp b/include/LIEF/visitors/json.hpp
index 995966b..ae5dde6 100644
--- a/include/LIEF/visitors/json.hpp
+++ b/include/LIEF/visitors/json.hpp
@@ -16,6 +16,10 @@
 #ifndef LIEF_VISITOR_JSONS_H_
 #define LIEF_VISITOR_JSONS_H_
 
+#include "LIEF/config.h"
+
+#ifdef LIEF_JSON_SUPPORT
+
 #include "LIEF/visibility.h"
 #include "LIEF/Visitor.hpp"
 #include "LIEF/json.hpp"
@@ -46,5 +50,6 @@ class DLL_PUBLIC JsonVisitor : public Visitor {
 
 }
 
+#endif // LIEF_JSON_SUPPORT
 
 #endif
diff --git a/include/LIEF/visitors/pe_json.hpp b/include/LIEF/visitors/pe_json.hpp
index ac46efb..31fc302 100644
--- a/include/LIEF/visitors/pe_json.hpp
+++ b/include/LIEF/visitors/pe_json.hpp
@@ -19,6 +19,10 @@
 #include "LIEF/visibility.h"
 #include "LIEF/visitors/json.hpp"
 
+#include "LIEF/config.h"
+
+#ifdef LIEF_JSON_SUPPORT
+
 namespace LIEF {
 namespace PE {
 class DLL_PUBLIC JsonVisitor : public LIEF::JsonVisitor {
@@ -72,5 +76,6 @@ class DLL_PUBLIC JsonVisitor : public LIEF::JsonVisitor {
 }
 }
 
+#endif // LIEF_JSON_SUPPORT
 
 #endif
diff --git a/src/visitors/elf_json.cpp b/src/visitors/elf_json.cpp
index aa935df..03754d6 100644
--- a/src/visitors/elf_json.cpp
+++ b/src/visitors/elf_json.cpp
@@ -13,6 +13,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
+#include "LIEF/config.h"
+
+#ifdef LIEF_JSON_SUPPORT
+
 #include "LIEF/visitors/elf_json.hpp"
 #include "LIEF/ELF.hpp"
 namespace LIEF {
@@ -411,3 +416,5 @@ void JsonVisitor::visit(const LIEF::Section& section) {
 
 } // namespace ELF
 } // namespace LIEF
+
+#endif // LIEF_JSON_SUPPORT
diff --git a/src/visitors/json.cpp b/src/visitors/json.cpp
index 4cd2bdf..29ef637 100644
--- a/src/visitors/json.cpp
+++ b/src/visitors/json.cpp
@@ -16,6 +16,11 @@
 #include "LIEF/Abstract/Abstract.hpp"
 #include "LIEF/visitors/json.hpp"
 #include "LIEF/Abstract/EnumToString.hpp"
+
+#include "LIEF/config.h"
+
+#ifdef LIEF_JSON_SUPPORT
+
 namespace LIEF {
 
 JsonVisitor::JsonVisitor(void) :
@@ -92,3 +97,5 @@ const json& JsonVisitor::get(void) const {
 }
 
 }
+
+#endif // LIEF_JSON_SUPPORT
diff --git a/src/visitors/pe_json.cpp b/src/visitors/pe_json.cpp
index 514395e..08088d1 100644
--- a/src/visitors/pe_json.cpp
+++ b/src/visitors/pe_json.cpp
@@ -13,6 +13,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
+#include "LIEF/config.h"
+
+#ifdef LIEF_JSON_SUPPORT
+
 #include "LIEF/visitors/pe_json.hpp"
 #include "LIEF/visitors/Hash.hpp"
 #include "LIEF/PE.hpp"
@@ -661,3 +666,5 @@ void JsonVisitor::visit(const LIEF::Section& section) {
 
 } // namespace PE
 } // namespace LIEF
+
+#endif // LIEF_JSON_SUPPORT