diff --git a/.gitmodules b/.gitmodules
index c68e776711d1..f4d94b037a2d 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -553,11 +553,6 @@
 	url = ../lockfree.git
 	fetchRecurseSubmodules = on-demand
 	branch = .
-[submodule "sync"]
-	path = libs/sync
-	url = ../sync.git
-	fetchRecurseSubmodules = on-demand
-	branch = .
 [submodule "assert"]
 	path = libs/assert
 	url = ../assert.git
diff --git a/libs/sync b/libs/sync
deleted file mode 160000
index e3b397214fc8..000000000000
--- a/libs/sync
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit e3b397214fc87e0f9802c6140e7af4ce68bdbb80