diff --git a/src/net_processing.h b/src/net_processing.h
--- a/src/net_processing.h
+++ b/src/net_processing.h
@@ -19,6 +19,7 @@
 class CTxMemPool;
 class ChainstateManager;
 class Config;
+class TxValidationState;
 
 /**
  * Default for -maxorphantx, maximum number of orphan transactions kept in
@@ -142,6 +143,15 @@
                                  bool via_compact_block,
                                  const std::string &message = "");
 
+    /**
+     * Potentially disconnect and discourage a node based on the contents of a
+     * TxValidationState object
+     *
+     * @return Returns true if the peer was punished (probably disconnected)
+     */
+    bool MaybePunishNodeForTx(NodeId nodeid, const TxValidationState &state,
+                              const std::string &message = "");
+
     /**
      * Maybe disconnect a peer and discourage future connections from its
      * address.
diff --git a/src/net_processing.cpp b/src/net_processing.cpp
--- a/src/net_processing.cpp
+++ b/src/net_processing.cpp
@@ -1420,15 +1420,9 @@
     return false;
 }
 
-/**
- * Potentially ban a node based on the contents of a TxValidationState object
- *
- * @return Returns true if the peer was punished (probably disconnected)
- *
- * Changes here may need to be reflected in TxRelayMayResultInDisconnect().
- */
-static bool MaybePunishNodeForTx(NodeId nodeid, const TxValidationState &state,
-                                 const std::string &message = "") {
+bool PeerManager::MaybePunishNodeForTx(NodeId nodeid,
+                                       const TxValidationState &state,
+                                       const std::string &message) {
     switch (state.GetResult()) {
         case TxValidationResult::TX_RESULT_UNSET:
             break;