diff --git a/.gitmodules b/.gitmodules
index 0fb15a202f..de2e88cd3c 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -266,10 +266,6 @@
 	path = libs/xpressive
 	url = ../xpressive.git
 	fetchRecurseSubmodules = on-demand
-[submodule "tr1"]
-	path = libs/tr1
-	url = ../tr1.git
-	fetchRecurseSubmodules = on-demand
 [submodule "foreach"]
 	path = libs/foreach
 	url = ../foreach.git
diff --git a/libs/tr1 b/libs/tr1
deleted file mode 160000
index f145dd02b7..0000000000
--- a/libs/tr1
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit f145dd02b7d8cc37a22b0e0d28d157f1b07cfb18