diff --git a/rln-research/presentations/~$11-2021-Tokenmics-Waku-rln-relay.pptx b/rln-research/presentations/~$11-2021-Tokenmics-Waku-rln-relay.pptx deleted file mode 100644 index 742a90d..0000000 Binary files a/rln-research/presentations/~$11-2021-Tokenmics-Waku-rln-relay.pptx and /dev/null differ