diff --git a/.gitmodules b/.gitmodules
index 3dca04ddf88e8f9008a8ce9ad316de1731ab4264..8b137891791fe96927ad78e64b0aad7bded08bdc 100755
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,13 +1 @@
-[submodule "libdap"]
-	path = libdap
-	url = https://github.com/kelvinblockchain/libdap
-[submodule "test/libdap-test"]
-	path = test/libdap-test
-	url = https://github.com/kelvinblockchain/libdap-test/
-[submodule "libdap-chain"]
-	path = libdap-chain
-	url = https://github.com/kelvinblockchain/libdap-chain
-[submodule "libdap-crypto"]
-	path = libdap-crypto
-	url = https://github.com/cellframe/libdap-crypto
-	branch = master
+
diff --git a/libdap b/libdap
deleted file mode 160000
index ea3bd462382b3ae26885c0633495eb0c9e7d0ab3..0000000000000000000000000000000000000000
--- a/libdap
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit ea3bd462382b3ae26885c0633495eb0c9e7d0ab3
diff --git a/libdap-chain b/libdap-chain
deleted file mode 160000
index 73c853c47c3524ff55519ed27c5f9f782c031494..0000000000000000000000000000000000000000
--- a/libdap-chain
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 73c853c47c3524ff55519ed27c5f9f782c031494
diff --git a/libdap-crypto b/libdap-crypto
deleted file mode 160000
index ddb65e66ad93281f37ba4e250cd7e20e569db864..0000000000000000000000000000000000000000
--- a/libdap-crypto
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit ddb65e66ad93281f37ba4e250cd7e20e569db864
diff --git a/test/libdap-test b/test/libdap-test
deleted file mode 160000
index b76175acc517f085c319c8e66c62bd143f96bf94..0000000000000000000000000000000000000000
--- a/test/libdap-test
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit b76175acc517f085c319c8e66c62bd143f96bf94