diff --git a/conf/config.php b/conf/config.php
index 9c15695..d43192a 100644
--- a/conf/config.php
+++ b/conf/config.php
@@ -168,7 +168,7 @@
 	// if you experience weird errors and tt-rss failing to start, blank pages
 	// after login, or content encoding errors, disable it.
 
-	putenv('TTRSS_PLUGINS=auth_internal, note, data_migration');
+	putenv('TTRSS_PLUGINS=auth_internal, note');
 	// Comma-separated list of plugins to load automatically for all users.
 	// System plugins have to be specified here. Please enable at least one
 	// authentication plugin here (auth_*).
diff --git a/manifest.toml b/manifest.toml
index c7a02b4..29b9bab 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -43,10 +43,6 @@ ram.runtime = "50M"
         url = "https://git-gitea.tt-rss.org/fox/tt-rss/archive/cddbf5bf5a7e2c433275a3bec089f318d4f211af.tar.gz"
         sha256 = "41df4c5902a7604acbe330f70a2fbef961338f6cf8798156de10adbc321f8e37"
 
-        [resources.sources.data_migration]
-        url = "https://dev.tt-rss.org/tt-rss/ttrss-data-migration/archive/6dac32af20dc303ea2e6e03f3a9492ee3ace6a8a.tar.gz"
-        sha256 = "dba5638f44820393e795e8dbf5ffdafeb061913aef245ce630ddddfbc26c32c4"
-
     [resources.system_user]
 
     [resources.install_dir]
diff --git a/scripts/upgrade b/scripts/upgrade
index e22afbc..bf47995 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -62,8 +62,6 @@ then
 	# Download, check integrity, uncompress and patch the source from app.src
 	ynh_setup_source --dest_dir="$install_dir"
 	echo "$(ynh_app_upstream_version)" > "$install_dir/version_static.txt"
-
-	ynh_setup_source --dest_dir="$install_dir/plugins.local/data_migration" --source="data_migration"
 fi
 
 chmod -R o-rwx "$install_dir"