--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -120,14 +120,7 @@
 
 list(APPEND PKGDEPS glib-2.0>=2.28.0)
 
-# Try to find the prefered glibmm-2.4. If not found then add glibmm-2.68
-# to the dependency list.
-pkg_check_modules(GLIBMM_2_4 glibmm-2.4>=2.28.0)
-if(GLIBMM_2_4_FOUND)
-	list(APPEND PKGDEPS glibmm-2.4>=2.28.0)
-else()
-	list(APPEND PKGDEPS glibmm-2.68>=2.68.0)
-endif()
+list(APPEND PKGDEPS glibmm-2.68>=2.68.0)
 
 if(ENABLE_FLOW)
 	list(APPEND PKGDEPS gstreamermm-1.0>=1.8.0)