diff --git a/ouroboros-consensus-protocol/ouroboros-consensus-protocol.cabal b/ouroboros-consensus-protocol/ouroboros-consensus-protocol.cabal
index 652ee251bb3..8991b5e5aec 100644
--- a/ouroboros-consensus-protocol/ouroboros-consensus-protocol.cabal
+++ b/ouroboros-consensus-protocol/ouroboros-consensus-protocol.cabal
@@ -42,7 +42,6 @@ library
     base >=4.14 && <4.17,
     bytestring,
     cardano-binary,
-    cardano-crypto-praos  >= 2.0.0.0.1,
     cardano-crypto-class,
     cardano-ledger-binary,
     cardano-ledger-core,