diff --git a/configure.ac b/configure.ac
index a13cf13..c0a7842 100644
--- a/configure.ac
+++ b/configure.ac
@@ -780,61 +780,19 @@ dnl ===========================================================================
 dnl Detect if json-c installed
 dnl ===========================================================================
 
-CHECK_JSON=yes
-HAVE_JSON=no
-HAVE_JSON_C=no
-
-AC_ARG_WITH([json],
-	[AS_HELP_STRING([--without-json], [build without json-c support])],
-	[CHECK_JSON="$withval"], [])
-
-if test "$CHECK_JSON" != "no"; then dnl {
-
-AC_ARG_WITH([jsondir],
-	[AS_HELP_STRING([--with-jsondir=PATH], [specify the json-c installation directory])],
-	[JSONDIR="$withval"], [JSONDIR=])
-
-if test ! "x$JSONDIR" = "x"; then
-	dnl Make sure that the directory exists
-	if test "x$JSONDIR" = "xyes"; then
-		AC_MSG_ERROR([you must specify a parameter to --with-jsondir, e.g. --with-jsondir=/path/to])
-	else
-		AC_MSG_RESULT([Using user-specified json-c directory: $JSONDIR])
-
-		dnl Add the include directory to JSON_CPPFLAGS
-		JSON_CPPFLAGS="-I$JSONDIR/include"
-		JSON_LDFLAGS="-L$JSONDIR/lib"
-	fi
-fi
-
-dnl Check that we can find the json/json.h header file
-CPPFLAGS_SAVE="$CPPFLAGS"
-CPPFLAGS="$JSON_CPPFLAGS"
-AC_CHECK_HEADER([json/json.h], [HAVE_JSON=yes], [
-  AC_CHECK_HEADER([json-c/json.h], [HAVE_JSON=yes; HAVE_JSON_C=yes], [])
-])      
-CPPFLAGS="$CPPFLAGS_SAVE"
-
-dnl Ensure we can link against libjson
-LIBS_SAVE="$LIBS"
-LIBS="$JSON_LDFLAGS"
-AC_CHECK_LIB([json-c], [json_object_get], [HAVE_JSON=yes; JSON_LDFLAGS="${JSON_LDFLAGS} -ljson-c"], [
-  AC_CHECK_LIB([json], [json_object_get], [HAVE_JSON=yes; JSON_LDFLAGS="${JSON_LDFLAGS} -ljson"], [], [])
-], [])
-LIBS="$LIBS_SAVE"
-
-if test "$HAVE_JSON" = "yes"; then
+PKG_CHECK_MODULES([JSON], [json],
+                  [
+                      HAVE_JSON=yes
 	AC_DEFINE([HAVE_LIBJSON], 1, [Define to 1 if libjson is present])
-fi
-if test "$HAVE_JSON_C" = "yes"; then
-  AC_DEFINE([HAVE_LIBJSON_C], 1, [Define to 1 if libjson resides in a json-c subdir])
-fi
-
-AC_SUBST([JSON_CPPFLAGS])
-AC_SUBST([JSON_LDFLAGS])
-AC_SUBST([HAVE_JSON])
-
-fi dnl }
+                  ],
+                  [
+                      PKG_CHECK_MODULES([JSON], [json-c],
+                      [
+                          HAVE_JSON=yes
+	                  AC_DEFINE([HAVE_LIBJSON], 1, [Define to 1 if libjson is present])
+                      ],
+                      [HAVE_JSON=no])
+                  ])
 
 dnl ===========================================================================
 dnl Detect GTK+2.0 for GUI
@@ -927,7 +885,7 @@ AC_DEFINE_UNQUOTED([POSTGIS_USE_STATS], [1], [Enable use of ANALYZE statistics])
 CPPFLAGS="$PGSQL_CPPFLAGS $GEOS_CPPFLAGS $PROJ_CPPFLAGS $XML2_CPPFLAGS $SFCGAL_CPPFLAGS $CPPFLAGS"
 AC_MSG_RESULT([CPPFLAGS: $CPPFLAGS])
 
-SHLIB_LINK="$PGSQL_LDFLAGS $GEOS_LDFLAGS $PROJ_LDFLAGS -lgeos_c -lproj $JSON_LDFLAGS $XML2_LDFLAGS $SFCGAL_LDFLAGS"
+SHLIB_LINK="$PGSQL_LDFLAGS $GEOS_LDFLAGS $PROJ_LDFLAGS -lgeos_c -lproj $JSON_LIBS $XML2_LDFLAGS $SFCGAL_LDFLAGS"
 AC_SUBST([SHLIB_LINK])
 dnl AC_MSG_RESULT([SHLIB_LINK: $SHLIB_LINK])
 
diff --git a/liblwgeom/Makefile.in b/liblwgeom/Makefile.in
index 3cc6256..5ccbb3b 100644
--- a/liblwgeom/Makefile.in
+++ b/liblwgeom/Makefile.in
@@ -11,8 +11,8 @@
 # **********************************************************************
 
 CC = @CC@
-CFLAGS = @CFLAGS@ @PICFLAGS@ @WARNFLAGS@ @GEOS_CPPFLAGS@ @PROJ_CPPFLAGS@ @JSON_CPPFLAGS@
-LDFLAGS = @LDFLAGS@ @GEOS_LDFLAGS@ -lgeos_c @PROJ_LDFLAGS@ -lproj @JSON_LDFLAGS@
+CFLAGS = @CFLAGS@ @PICFLAGS@ @WARNFLAGS@ @GEOS_CPPFLAGS@ @PROJ_CPPFLAGS@ @JSON_CFLAGS@
+LDFLAGS = @LDFLAGS@ @GEOS_LDFLAGS@ -lgeos_c @PROJ_LDFLAGS@ -lproj @JSON_LIBS@
 NUMERICFLAGS = @NUMERICFLAGS@
 top_builddir = @top_builddir@
 prefix = @prefix@
diff --git a/liblwgeom/lwin_geojson.c b/liblwgeom/lwin_geojson.c
index 7019626..ec1d594 100644
--- a/liblwgeom/lwin_geojson.c
+++ b/liblwgeom/lwin_geojson.c
@@ -19,13 +19,8 @@
 
 #include <string.h>
 
-#ifdef HAVE_LIBJSON_C
-#include <json-c/json.h>
-#include <json-c/json_object_private.h>
-#else
-#include <json/json.h>
-#include <json/json_object_private.h>
-#endif
+#include <json.h>
+#include <json_object_private.h>
 
 #ifndef JSON_C_VERSION
 // Adds support for libjson < 0.10