diff --git a/.gitmodules b/.gitmodules
index be26f04..13603bf 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,9 +4,3 @@
 [submodule "docs/productivity"]
 	path = docs/productivity
 	url = http://git.nowherejezfoltodf4jiyl6r56jnzintap5vyjlia7fkirfsnfizflqd.onion/nihilist/productivity-blogposts
-[submodule "docs/selfhosting"]
-	path = docs/selfhosting
-	url = http://git.nowherejezfoltodf4jiyl6r56jnzintap5vyjlia7fkirfsnfizflqd.onion/nihilist/selfhosting-blogposts
-[submodule "docs/hacking"]
-	path = docs/hacking
-	url = http://git.nowherejezfoltodf4jiyl6r56jnzintap5vyjlia7fkirfsnfizflqd.onion/nihilist/hacking-blogposts
diff --git a/docs/opsec b/docs/opsec
new file mode 160000
index 0000000..f34054e
--- /dev/null
+++ b/docs/opsec
@@ -0,0 +1 @@
+Subproject commit f34054eea706698c4439af49e1065a97aa81080f
diff --git a/docs/productivity b/docs/productivity
new file mode 160000
index 0000000..4794027
--- /dev/null
+++ b/docs/productivity
@@ -0,0 +1 @@
+Subproject commit 4794027600aa635b4d02af4f622fa18f32fedacd