diff --git a/crates/README.md b/crates/README.md
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index 0000000..04909f2
--- /dev/null
+++ b/crates/README.md
@@ -0,0 +1,30 @@
+## Dependency diagram of the project
+
+```mermaid
+graph TD;
+    lavina-->mgmt-api;
+    lavina-->projection-irc;
+    lavina-->projection-xmpp;
+    lavina-->lavina-core;
+
+    projection-irc-->proto-irc;
+    projection-irc-->lavina-core;
+    
+    projection-xmpp-->proto-xmpp;
+    projection-xmpp-->lavina-core;
+
+    sim-irc-->proto-irc;
+    sim-irc-->mgmt-api;
+
+    sim-xmpp-->proto-xmpp;
+    sim-xmpp-->mgmt-api;
+
+    workspace-->lavina;
+    workspace-->sim-irc;
+    workspace-->sim-xmpp;
+```
+
+A few rules:
+- Only projections should be direct deps of `lavina`, there is no need to depend on `proto-*` crates.
+- On the other hand, projections should not be dependencies of `sim-*` crates.
+- `lavina-core` does not depend on protocol-specific crates.
diff --git a/test/.gitignore b/test/.gitignore
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--- a/test/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-*.log
diff --git a/test/init_state.sql b/test/init_state.sql
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--- a/test/init_state.sql
+++ /dev/null
@@ -1,6 +0,0 @@
-insert into users(name)
-values ('kek'), ('shrek')
-returning id;
-
-insert into challenges_plain_password(user_id, password)
-values (1, 'parolchik1'), (2, 'qwerty123');
diff --git a/test/run.sh b/test/run.sh
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--- a/test/run.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/bin/sh
-cargo build
-./target/debug/lavina 1>test/lavina.stdout.log 2>test/lavina.stderr.log &
-cargo test
-kill %1