--- gtkmm-2.10.2/gtk/gtkmm-2.4.pc.in
+++ gtkmm-2.10.2/gtk/gtkmm-2.4.pc.in
@@ -5,7 +5,7 @@
 
 Name: gtkmm
 Description: C++ wrapper for GTK+
-Requires: glibmm-2.4 gdkmm-2.4 pangomm-1.4 atkmm-1.6 gtk+-2.0
+Requires: glibmm-2.4 gdkmm-2.4 pangomm-1.4 gtk+-2.0
 Version: @VERSION@
 Libs: -L${libdir} -lgtkmm-2.4
 Cflags: -I${includedir}/gtkmm-2.4 -I${libdir}/gtkmm-2.4/include