diff --git a/src/net_processing.h b/src/net_processing.h
index 230d805bd4..92ea21df72 100644
--- a/src/net_processing.h
+++ b/src/net_processing.h
@@ -9,6 +9,13 @@
 #include "net.h"
 #include "validationinterface.h"
 
+/** Default for -maxorphantx, maximum number of orphan transactions kept in memory */
+static const unsigned int DEFAULT_MAX_ORPHAN_TRANSACTIONS = 100;
+/** Expiration time for orphan transactions in seconds */
+static const int64_t ORPHAN_TX_EXPIRE_TIME = 20 * 60;
+/** Minimum time between orphan transactions expire time checks in seconds */
+static const int64_t ORPHAN_TX_EXPIRE_INTERVAL = 5 * 60;
+
 /** Register with a network node to receive its signals */
 void RegisterNodeSignals(CNodeSignals& nodeSignals);
 /** Unregister a network node */
diff --git a/src/validation.h b/src/validation.h
index 631602a701..7848c787aa 100644
--- a/src/validation.h
+++ b/src/validation.h
@@ -58,12 +58,6 @@ static const CAmount DEFAULT_TRANSACTION_MAXFEE = 0.1 * COIN;
 static const CAmount HIGH_TX_FEE_PER_KB = 0.01 * COIN;
 //! -maxtxfee will warn if called with a higher fee than this amount (in satoshis)
 static const CAmount HIGH_MAX_TX_FEE = 100 * HIGH_TX_FEE_PER_KB;
-/** Default for -maxorphantx, maximum number of orphan transactions kept in memory */
-static const unsigned int DEFAULT_MAX_ORPHAN_TRANSACTIONS = 100;
-/** Expiration time for orphan transactions in seconds */
-static const int64_t ORPHAN_TX_EXPIRE_TIME = 20 * 60;
-/** Minimum time between orphan transactions expire time checks in seconds */
-static const int64_t ORPHAN_TX_EXPIRE_INTERVAL = 5 * 60;
 /** Default for -limitancestorcount, max number of in-mempool ancestors */
 static const unsigned int DEFAULT_ANCESTOR_LIMIT = 25;
 /** Default for -limitancestorsize, maximum kilobytes of tx + all in-mempool ancestors */