diff --git a/eclass/kde5.eclass b/eclass/kde5.eclass
index 7a5d2222eb50a..0f50623e4ff0f 100644
--- a/eclass/kde5.eclass
+++ b/eclass/kde5.eclass
@@ -93,6 +93,8 @@ fi
 # @DESCRIPTION:
 # If set to "false", do nothing.
 # For any other value, add test to IUSE and add a dependency on dev-qt/qttest:5.
+# If set to "forceoptional", remove a Qt5Test dependency from the root
+# CMakeLists.txt in addition to the above.
 if [[ ${CATEGORY} = kde-frameworks ]]; then
 	: ${KDE_TEST:=true}
 else
@@ -466,6 +468,12 @@ kde5_src_prepare() {
 		fi
 	fi
 
+	if [[ ${KDE_TEST} = forceoptional ]] ; then
+		if ! use_if_iuse test ; then
+			punt_bogus_dep Qt5 Test
+		fi
+	fi
+
 	cmake-utils_src_prepare
 }