diff --git a/v1.45.0/auth_chain_diff.dot b/v1.45.0/auth_chain_diff.dot
deleted file mode 100644
index 978d579ada..0000000000
--- a/v1.45.0/auth_chain_diff.dot
+++ /dev/null
@@ -1,32 +0,0 @@
-digraph auth {
- nodesep=0.5;
- rankdir="RL";
-
- C [label="Create (1,1)"];
-
- BJ [label="Bob's Join (2,1)", color=red];
- BJ2 [label="Bob's Join (2,2)", color=red];
- BJ2 -> BJ [color=red, dir=none];
-
- subgraph cluster_foo {
- A1 [label="Alice's invite (4,1)", color=blue];
- A2 [label="Alice's Join (4,2)", color=blue];
- A3 [label="Alice's Join (4,3)", color=blue];
- A3 -> A2 -> A1 [color=blue, dir=none];
- color=none;
- }
-
- PL1 [label="Power Level (3,1)", color=darkgreen];
- PL2 [label="Power Level (3,2)", color=darkgreen];
- PL2 -> PL1 [color=darkgreen, dir=none];
-
- {rank = same; C; BJ; PL1; A1;}
-
- A1 -> C [color=grey];
- A1 -> BJ [color=grey];
- PL1 -> C [color=grey];
- BJ2 -> PL1 [penwidth=2];
-
- A3 -> PL2 [penwidth=2];
- A1 -> PL1 -> BJ -> C [penwidth=2];
-}
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