diff --git a/src/rest.cpp b/src/rest.cpp
index 4a9c7e79b4..66f39c1ec3 100644
--- a/src/rest.cpp
+++ b/src/rest.cpp
@@ -248,7 +248,7 @@ static bool rest_headers(const CoreContext& context,
     case RetFormat::JSON: {
         UniValue jsonHeaders(UniValue::VARR);
         for (const CBlockIndex *pindex : headers) {
-            jsonHeaders.push_back(blockheaderToJSON(tip, pindex, *llmq::chainLocksHandler, *llmq::quorumInstantSendManager));
+            jsonHeaders.push_back(blockheaderToJSON(tip, pindex, *llmq::chainLocksHandler));
         }
         std::string strJSON = jsonHeaders.write() + "\n";
         req->WriteHeader("Content-Type", "application/json");
diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
index 5baf3c3d33..5c3890a0c9 100644
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -127,7 +127,7 @@ static const CBlockIndex* ParseHashOrHeight(const UniValue& param, ChainstateMan
     }
 }
 
-UniValue blockheaderToJSON(const CBlockIndex* tip, const CBlockIndex* blockindex, llmq::CChainLocksHandler& clhandler, llmq::CInstantSendManager& isman)
+UniValue blockheaderToJSON(const CBlockIndex* tip, const CBlockIndex* blockindex, llmq::CChainLocksHandler& clhandler)
 {
     // Serialize passed information without accessing chain state of the active chain!
     AssertLockNotHeld(cs_main); // For performance reasons
@@ -161,7 +161,7 @@ UniValue blockheaderToJSON(const CBlockIndex* tip, const CBlockIndex* blockindex
 
 UniValue blockToJSON(BlockManager& blockman, const CBlock& block, const CBlockIndex* tip, const CBlockIndex* blockindex, llmq::CChainLocksHandler& clhandler, llmq::CInstantSendManager& isman, bool txDetails)
 {
-    UniValue result = blockheaderToJSON(tip, blockindex, clhandler, isman);
+    UniValue result = blockheaderToJSON(tip, blockindex, clhandler);
 
     result.pushKV("size", (int)::GetSerializeSize(block, PROTOCOL_VERSION));
     UniValue txs(UniValue::VARR);
@@ -986,7 +986,7 @@ static RPCHelpMan getblockheader()
     }
 
     LLMQContext& llmq_ctx = EnsureLLMQContext(node);
-    return blockheaderToJSON(tip, pblockindex, *llmq_ctx.clhandler, *llmq_ctx.isman);
+    return blockheaderToJSON(tip, pblockindex, *llmq_ctx.clhandler);
 },
     };
 }
@@ -1087,7 +1087,7 @@ static RPCHelpMan getblockheaders()
     LLMQContext& llmq_ctx = EnsureLLMQContext(node);
     for (; pblockindex; pblockindex = active_chain.Next(pblockindex))
     {
-        arrHeaders.push_back(blockheaderToJSON(tip, pblockindex, *llmq_ctx.clhandler, *llmq_ctx.isman));
+        arrHeaders.push_back(blockheaderToJSON(tip, pblockindex, *llmq_ctx.clhandler));
         if (--nCount <= 0)
             break;
     }
diff --git a/src/rpc/blockchain.h b/src/rpc/blockchain.h
index f147776152..e383aba436 100644
--- a/src/rpc/blockchain.h
+++ b/src/rpc/blockchain.h
@@ -50,7 +50,7 @@ UniValue MempoolInfoToJSON(const CTxMemPool& pool, llmq::CInstantSendManager& is
 UniValue MempoolToJSON(const CTxMemPool& pool, llmq::CInstantSendManager* isman, bool verbose = false, bool include_mempool_sequence = false);
 
 /** Block header to JSON */
-UniValue blockheaderToJSON(const CBlockIndex* tip, const CBlockIndex* blockindex, llmq::CChainLocksHandler& clhandler, llmq::CInstantSendManager& isman) LOCKS_EXCLUDED(cs_main);
+UniValue blockheaderToJSON(const CBlockIndex* tip, const CBlockIndex* blockindex, llmq::CChainLocksHandler& clhandler) LOCKS_EXCLUDED(cs_main);
 
 /** Used by getblockstats to get feerates at different percentiles by weight  */
 void CalculatePercentilesBySize(CAmount result[NUM_GETBLOCKSTATS_PERCENTILES], std::vector<std::pair<CAmount, int64_t>>& scores, int64_t total_size);