diff --git a/.gitmodules b/.gitmodules
index 161d75950cb1be9f3d82f4d0ddb402683fdf0ac0..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +0,0 @@
-[submodule "src/hashmap"]
-	path = src/hashmap
-	url = git@github.com:fdekeers/hashmap.c.git
diff --git a/src/hashmap b/src/hashmap
deleted file mode 160000
index 67977d4cd67f86ab6f37a74f21dc7dcdb37e8513..0000000000000000000000000000000000000000
--- a/src/hashmap
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 67977d4cd67f86ab6f37a74f21dc7dcdb37e8513