diff --git a/.gitmodules b/.gitmodules
index f3288b67..81b9298a 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,6 @@
 [submodule "CVMix-src"]
 	path = pkgs/CVMix-src
-	url = git@github.com:CVMix/CVMix-src.git
+	url = https://github.com/CVMix/CVMix-src
 [submodule "pkgs/M4AGO-sinking-scheme"]
 	path = pkgs/M4AGO-sinking-scheme
-	url = git@github.com:jmaerz/M4AGO-sinking-scheme
+	url = https://github.com/jmaerz/M4AGO-sinking-scheme
diff --git a/Externals_BLOM.cfg b/Externals_BLOM.cfg
deleted file mode 100644
index aef576cc..00000000
--- a/Externals_BLOM.cfg
+++ /dev/null
@@ -1,16 +0,0 @@
-[CVMix]
-tag = v0.98-beta
-protocol = git
-repo_url = https://github.com/CVMix/CVMix-src
-local_path = pkgs/CVMix-src
-required = True
-
-[M4AGO]
-tag = dev-1.0.1
-protocol = git
-repo_url = https://github.com/jmaerz/M4AGO-sinking-scheme
-local_path = pkgs/M4AGO-sinking-scheme
-required = True
-
-[externals_description]
-schema_version = 1.0.0
diff --git a/pkgs/M4AGO-sinking-scheme b/pkgs/M4AGO-sinking-scheme
index 82568dbe..a20622fc 160000
--- a/pkgs/M4AGO-sinking-scheme
+++ b/pkgs/M4AGO-sinking-scheme
@@ -1 +1 @@
-Subproject commit 82568dbe4ee402804894020ccf602cff0d0a251e
+Subproject commit a20622fc631ade5094a4dbbeb5d615314d19adec