diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index 9f59da3d..00000000
--- a/.gitmodules
+++ /dev/null
@@ -1,3 +0,0 @@
-[submodule "build-aux/shared-modules"]
-	path = build-aux/shared-modules
-	url = https://github.com/flathub/shared-modules
diff --git a/build-aux/org.gnome.Calendar.json b/build-aux/org.gnome.Calendar.json
index 5847fe6c..de0dabf9 100644
--- a/build-aux/org.gnome.Calendar.json
+++ b/build-aux/org.gnome.Calendar.json
@@ -116,7 +116,6 @@
                 }
             ]
         },
-        "shared-modules/intltool/intltool-0.51.json",
         {
             "name" : "evolution-data-server",
             "cleanup": [ "/share/GConf" ],
diff --git a/build-aux/shared-modules b/build-aux/shared-modules
deleted file mode 160000
index 2dfad855..00000000
--- a/build-aux/shared-modules
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 2dfad855131c70ff7cafd32f3f4901c6d82b9247