diff --git a/configure.ac b/configure.ac
index 536799483..3f0421b2a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -198,16 +198,6 @@ fi
 
 # Sets GLIB_GENMARSHAL and GLIB_MKENUMS
 AM_PATH_GLIB_2_0()
-G_IR_SCANNER=`$PKG_CONFIG --variable=g_ir_scanner gobject-introspection-1.0`
-AC_SUBST(G_IR_SCANNER)
-G_IR_COMPILER=`$PKG_CONFIG --variable=g_ir_compiler gobject-introspection-1.0`
-AC_SUBST(G_IR_COMPILER)
-G_IR_GENERATE=`$PKG_CONFIG --variable=g_ir_generate gobject-introspection-1.0`
-AC_SUBST(G_IR_GENERATE)
-GIRDIR=`$PKG_CONFIG --variable=girdir gobject-introspection-1.0`
-AC_SUBST(GIRDIR)
-TYPELIBDIR="$($PKG_CONFIG --variable=typelibdir gobject-introspection-1.0)"
-AC_SUBST(TYPELIBDIR)
 
 GTK_DOC_CHECK([1.15], [--flavour no-tmpl])