diff --git a/.gitmodules b/.gitmodules
index 7ffa77d..6650852 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -13,6 +13,3 @@
 [submodule "onchain/lib/openzeppelin-contracts"]
 	path = onchain/lib/openzeppelin-contracts
 	url = https://github.com/openzeppelin/openzeppelin-contracts
-[submodule "lib/abdk-libraries-solidity"]
-	path = lib/abdk-libraries-solidity
-	url = https://github.com/abdk-consulting/abdk-libraries-solidity
diff --git a/lib/abdk-libraries-solidity b/lib/abdk-libraries-solidity
deleted file mode 160000
index 5e1e7c1..0000000
--- a/lib/abdk-libraries-solidity
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 5e1e7c11b35f8313d3f7ce11c1b86320d7c0b554