diff --git a/build/utils.sh b/build/utils.sh
index 85472e1..1909667 100755
--- a/build/utils.sh
+++ b/build/utils.sh
@@ -16,8 +16,7 @@ combine_javascript_sources() {
 			LightDMObjects.js \
 			Greeter.js \
 			GreeterConfig.js \
-			ThemeUtils.js \
-			ThemeHeartbeat.js >> "${MESON_SOURCE_ROOT}/src/gresource/js/bundle.js"
+			ThemeUtils.js > "${MESON_SOURCE_ROOT}/src/gresource/js/bundle.js"
 	}
 }