diff --git a/hydra-plutus/src/Hydra/Contract/Commit.hs b/hydra-plutus/src/Hydra/Contract/Commit.hs
index 069934c917b..fcead9e931f 100644
--- a/hydra-plutus/src/Hydra/Contract/Commit.hs
+++ b/hydra-plutus/src/Hydra/Contract/Commit.hs
@@ -1,8 +1,8 @@
 {-# LANGUAGE TemplateHaskell #-}
 {-# OPTIONS_GHC -fno-specialize #-}
 {-# OPTIONS_GHC -fplugin-opt PlutusTx.Plugin:defer-errors #-}
--- Avoid trace calls to be optimized away when inlining functions.
-{-# OPTIONS_GHC -fplugin-opt PlutusTx.Plugin:no-simplifier-inline #-}
+-- Avoid trace calls to be optimized away.
+{-# OPTIONS_GHC -fplugin-opt PlutusTx.Plugin:conservative-optimisation #-}
 -- Plutus core version to compile to. In babbage era, that is Cardano protocol
 -- version 7 and 8, only plutus-core version 1.0.0 is available.
 {-# OPTIONS_GHC -fplugin-opt PlutusTx.Plugin:target-version=1.0.0 #-}
diff --git a/hydra-plutus/src/Hydra/Contract/Head.hs b/hydra-plutus/src/Hydra/Contract/Head.hs
index 7380284d83c..28c1a99b735 100644
--- a/hydra-plutus/src/Hydra/Contract/Head.hs
+++ b/hydra-plutus/src/Hydra/Contract/Head.hs
@@ -2,8 +2,8 @@
 {-# LANGUAGE TemplateHaskell #-}
 {-# OPTIONS_GHC -fno-specialize #-}
 {-# OPTIONS_GHC -fplugin-opt PlutusTx.Plugin:defer-errors #-}
--- Avoid trace calls to be optimized away when inlining functions.
-{-# OPTIONS_GHC -fplugin-opt PlutusTx.Plugin:no-simplifier-inline #-}
+-- Avoid trace calls to be optimized away.
+{-# OPTIONS_GHC -fplugin-opt PlutusTx.Plugin:conservative-optimisation #-}
 -- Plutus core version to compile to. In babbage era, that is Cardano protocol
 -- version 7 and 8, only plutus-core version 1.0.0 is available.
 {-# OPTIONS_GHC -fplugin-opt PlutusTx.Plugin:target-version=1.0.0 #-}
diff --git a/hydra-plutus/src/Hydra/Contract/HeadTokens.hs b/hydra-plutus/src/Hydra/Contract/HeadTokens.hs
index abcf91be160..728676355a5 100644
--- a/hydra-plutus/src/Hydra/Contract/HeadTokens.hs
+++ b/hydra-plutus/src/Hydra/Contract/HeadTokens.hs
@@ -1,8 +1,8 @@
 {-# LANGUAGE TemplateHaskell #-}
 {-# OPTIONS_GHC -fno-specialize #-}
 {-# OPTIONS_GHC -fplugin-opt PlutusTx.Plugin:defer-errors #-}
--- Avoid trace calls to be optimized away when inlining functions.
-{-# OPTIONS_GHC -fplugin-opt PlutusTx.Plugin:no-simplifier-inline #-}
+-- Avoid trace calls to be optimized away.
+{-# OPTIONS_GHC -fplugin-opt PlutusTx.Plugin:conservative-optimisation #-}
 -- Plutus core version to compile to. In babbage era, that is Cardano protocol
 -- version 7 and 8, only plutus-core version 1.0.0 is available.
 {-# OPTIONS_GHC -fplugin-opt PlutusTx.Plugin:target-version=1.0.0 #-}
diff --git a/hydra-plutus/src/Hydra/Contract/Initial.hs b/hydra-plutus/src/Hydra/Contract/Initial.hs
index c83bf27b2b0..96ec623f899 100644
--- a/hydra-plutus/src/Hydra/Contract/Initial.hs
+++ b/hydra-plutus/src/Hydra/Contract/Initial.hs
@@ -1,8 +1,8 @@
 {-# LANGUAGE TemplateHaskell #-}
 {-# OPTIONS_GHC -fno-specialize #-}
+-- Avoid trace calls to be optimized away.
+{-# OPTIONS_GHC -fplugin-opt PlutusTx.Plugin:conservative-optimisation #-}
 {-# OPTIONS_GHC -fplugin-opt PlutusTx.Plugin:defer-errors #-}
--- Avoid trace calls to be optimized away when inlining functions.
-{-# OPTIONS_GHC -fplugin-opt PlutusTx.Plugin:no-simplifier-inline #-}
 -- Plutus core version to compile to. In babbage era, that is Cardano protocol
 -- version 7 and 8, only plutus-core version 1.0.0 is available.
 {-# OPTIONS_GHC -fplugin-opt PlutusTx.Plugin:target-version=1.0.0 #-}
@@ -173,7 +173,7 @@ checkCommit commitValidator headId committedRefs context =
               Nothing -> traceError $(errorCode ExpectedCommitDatumTypeGotSomethingElse)
               Just (_party, commits, hid) ->
                 (commits, hid)
-      _ -> traceError $(errorCode ExpectedSingleCommitOutput)
+      _ -> traceIfFalse $(errorCode ExpectedSingleCommitOutput) False
 
   ScriptContext{scriptContextTxInfo = txInfo} = context