diff --git a/src/consensus/validation.h b/src/consensus/validation.h
index 7c5acb59ff..2b222f2026 100644
--- a/src/consensus/validation.h
+++ b/src/consensus/validation.h
@@ -14,7 +14,7 @@ static const unsigned char REJECT_INVALID = 0x10;
 static const unsigned char REJECT_OBSOLETE = 0x11;
 static const unsigned char REJECT_DUPLICATE = 0x12;
 static const unsigned char REJECT_NONSTANDARD = 0x40;
-static const unsigned char REJECT_DUST = 0x41;
+// static const unsigned char REJECT_DUST = 0x41; // part of BIP 61
 static const unsigned char REJECT_INSUFFICIENTFEE = 0x42;
 static const unsigned char REJECT_CHECKPOINT = 0x43;
 
diff --git a/src/version.h b/src/version.h
index def3519381..dff4504069 100644
--- a/src/version.h
+++ b/src/version.h
@@ -29,9 +29,6 @@ static const int CADDR_TIME_VERSION = 31402;
 //! BIP 0031, pong message, is enabled for all versions AFTER this one
 static const int BIP0031_VERSION = 60000;
 
-//! "mempool" command, enhanced "getdata" behavior starts with this version
-static const int MEMPOOL_GD_VERSION = 60002;
-
 //! "filter*" commands are disabled without NODE_BLOOM after and including this version
 static const int NO_BLOOM_VERSION = 70201;