diff --git a/.gitmodules b/.gitmodules
index 2682af9eb4fa97d15bdc9490c9ba1deaa757c93c..dba48f3e0b3e6cd43dc43dbe682b84c4429cdabf 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,9 +10,6 @@
 [submodule "plugins/redmine_zulip"]
 	path = plugins/redmine_zulip
 	url = https://github.com/zulip/zulip-redmine-plugin.git
-[submodule "plugins/sparcline"]
-	path = plugins/sparkline
-	url = https://gitlab.pirati.cz/sperling/redmine-sparkline-plugin.git
 [submodule "plugins/redmine-signals-plugin"]
 	path = plugins/traffic_lights
 	url = https://gitlab.pirati.cz/sperling/redmine-signals-plugin.git
diff --git a/plugins/sparkline b/plugins/sparkline
deleted file mode 160000
index bd3d99fb681fd2438224f3a146ef4e3b5e7996f2..0000000000000000000000000000000000000000
--- a/plugins/sparkline
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit bd3d99fb681fd2438224f3a146ef4e3b5e7996f2