--- plasma-pa-5.13.3/CMakeLists.txt
+++ plasma-pa-5.13.3/CMakeLists.txt
@@ -18,12 +18,9 @@
 include(KDECompilerSettings NO_POLICY_SCOPE)
 include(ECMOptionalAddSubdirectory)
 
-include(FindPkgConfig)
-pkg_check_modules(GCONF gconf-2.0)
-pkg_check_modules(GOBJECT gobject-2.0)
-if (GCONF_FOUND AND GOBJECT_FOUND)
-    set(HAVE_GCONF TRUE)
-endif()
+# Don't even try to use gconf.
+# >=pulseaudio-12.0 recommends to no longer use it anyway.
+set(HAVE_GCONF FALSE)
 
 find_package(Qt5 ${QT_MIN_VERSION} REQUIRED COMPONENTS
     Core