diff --git a/README.md b/README.md
index 9844b1d..313ba82 100644
--- a/README.md
+++ b/README.md
@@ -25,11 +25,6 @@ make install clean
 ```
 Run `make help` to see targets, flags and arguments.
 
-Extensions
-----------
-* [inja](https://github.com/pantor/inja) (template rendering,
-  requires [nlohmann/json](https://github.com/nlohmann/json))
-
 Examples
 --------
 See [examples](examples).
diff --git a/config.mk b/config.mk
index 422e1f4..bf7638f 100644
--- a/config.mk
+++ b/config.mk
@@ -31,16 +31,6 @@ ifeq ($(FCGI_SERVER), 1)
 	LDFLAGS += -lfcgi
 endif
 
-#flag Enable inja extension
-EXTENSIONS_INJA ?= 0
-#arg Dist path. Needed only if inja is enabled.
-DIST_PATH = /var/www/html
-ifneq ($(EXTENSIONS_INJA), 0)
-	CXXFLAGS+=-DEXTENSIONS_INJA -DDIST_PATH=\"$(DIST_PATH)\"
-	CXXSTD=-std=c++17
-endif
-
-
 #flag Multithread support
 MT_ENABLED ?= 0
 #arg Number of threads. 8 by default.
diff --git a/cxx/Response.cxx b/cxx/Response.cxx
index b9f95fa..784cbcc 100644
--- a/cxx/Response.cxx
+++ b/cxx/Response.cxx
@@ -3,10 +3,6 @@
 
 #include "Response.hxx"
 
-#ifdef EXTENSIONS_INJA
-#include <inja/inja.hpp>
-#endif
-
 using namespace rpd;
 
 int Response::header(const char *key, const char *value)
@@ -16,29 +12,3 @@ int Response::header(const char *key, const char *value)
         key,
         value);
 }
-
-#ifdef EXTENSIONS_INJA
-void Response::render(const char *path, nlohmann::json data)
-{
-    inja::Environment env;
-    inja::Template tpl;
-
-    try {
-        std::string tplpath = DIST_PATH;
-        tplpath += path;
-        tpl = env.parse_template(tplpath);
-    } catch (inja::FileError &e) {
-        std::cerr << e.what() << std::endl;
-        return;
-    }
-
-    try {
-        std::string result = env.render(tpl, data);
-        body(result.c_str());
-    } catch (inja::RenderError &e) {
-        std::cerr << e.what() << std::endl;
-        status(rpd_res_st_internal_server_error);
-        return;
-    }
-}
-#endif
diff --git a/include/Response.hxx b/include/Response.hxx
index 9d7fee1..2ef0c7a 100644
--- a/include/Response.hxx
+++ b/include/Response.hxx
@@ -8,10 +8,6 @@
 #include <stdlib.h>
 #include <string.h>
 
-#ifdef EXTENSIONS_INJA
-#include <nlohmann/json.hpp>
-#endif
-
 namespace rpd {
 /*!
  * \brief C++ response wrapper.
@@ -80,15 +76,6 @@ public:
         res->body = strdup(body);
     }
 
-#ifdef EXTENSIONS_INJA
-    /*!
-     * \brief Render data to HTML template.
-     * \param path Path to HTML template relative to dist location.
-     * \param data Template data to interpolate.
-     */
-    void render(const char *path, nlohmann::json data);
-#endif
-
     /*!
      * \brief Destructor.
      */