diff --git a/src/net_processing.cpp b/src/net_processing.cpp
index 16b4735e5ef..34425948876 100644
--- a/src/net_processing.cpp
+++ b/src/net_processing.cpp
@@ -551,13 +551,14 @@ public:
         m_best_block_time = time;
     };
     void UnitTestMisbehaving(NodeId peer_id) override EXCLUSIVE_LOCKS_REQUIRED(!m_peer_mutex) { Misbehaving(*Assert(GetPeerRef(peer_id)), ""); };
-    void ProcessMessage(CNode& pfrom, const std::string& msg_type, DataStream& vRecv,
-                        std::chrono::microseconds time_received, const std::atomic<bool>& interruptMsgProc) override
-        EXCLUSIVE_LOCKS_REQUIRED(!m_peer_mutex, !m_most_recent_block_mutex, !m_headers_presync_mutex, g_msgproc_mutex, !m_tx_download_mutex);
     void UpdateLastBlockAnnounceTime(NodeId node, int64_t time_in_seconds) override;
     ServiceFlags GetDesirableServiceFlags(ServiceFlags services) const override;
 
 private:
+    void ProcessMessage(CNode& pfrom, const std::string& msg_type, DataStream& vRecv, std::chrono::microseconds time_received,
+                        const std::atomic<bool>& interruptMsgProc)
+        EXCLUSIVE_LOCKS_REQUIRED(!m_peer_mutex, !m_most_recent_block_mutex, !m_headers_presync_mutex, g_msgproc_mutex, !m_tx_download_mutex);
+
     /** Consider evicting an outbound peer based on the amount of time they've been behind our tip */
     void ConsiderEviction(CNode& pto, Peer& peer, std::chrono::seconds time_in_seconds) EXCLUSIVE_LOCKS_REQUIRED(cs_main, g_msgproc_mutex);
 
diff --git a/src/net_processing.h b/src/net_processing.h
index 4b221c5d979..504e708d702 100644
--- a/src/net_processing.h
+++ b/src/net_processing.h
@@ -147,10 +147,6 @@ public:
      */
     virtual void CheckForStaleTipAndEvictPeers() = 0;
 
-    /** Process a single message from a peer. Public for fuzz testing */
-    virtual void ProcessMessage(CNode& pfrom, const std::string& msg_type, DataStream& vRecv,
-                                std::chrono::microseconds time_received, const std::atomic<bool>& interruptMsgProc) EXCLUSIVE_LOCKS_REQUIRED(g_msgproc_mutex) = 0;
-
     /** This function is used for testing the stale tip eviction logic, see denialofservice_tests.cpp */
     virtual void UpdateLastBlockAnnounceTime(NodeId node, int64_t time_in_seconds) = 0;