diff --git a/src/seeder/bitcoin.cpp b/src/seeder/bitcoin.cpp
--- a/src/seeder/bitcoin.cpp
+++ b/src/seeder/bitcoin.cpp
@@ -116,20 +116,13 @@
         uint64_t nServiceInt;
         recv >> nVersion >> nServiceInt >> nTime >> addrMe;
         you.nServices = ServiceFlags(nServiceInt);
-        if (nVersion == 10300) nVersion = 300;
-        if (nVersion >= 106 && !recv.empty()) recv >> addrFrom >> nNonce;
-        if (nVersion >= 106 && !recv.empty()) recv >> strSubVer;
-        if (nVersion >= 209 && !recv.empty()) recv >> nStartingHeight;
+        recv >> addrFrom >> nNonce;
+        recv >> strSubVer;
+        recv >> nStartingHeight;
 
-        if (nVersion >= 209) {
-            BeginMessage("verack");
-            EndMessage();
-        }
+        BeginMessage("verack");
+        EndMessage();
         vSend.SetVersion(std::min(nVersion, PROTOCOL_VERSION));
-        if (nVersion < 209) {
-            vRecv.SetVersion(std::min(nVersion, PROTOCOL_VERSION));
-            GotVersion();
-        }
         return false;
     }
 
diff --git a/test/functional/test_framework/messages.py b/test/functional/test_framework/messages.py
--- a/test/functional/test_framework/messages.py
+++ b/test/functional/test_framework/messages.py
@@ -834,28 +834,17 @@
 
     def deserialize(self, f):
         self.nVersion = struct.unpack("<i", f.read(4))[0]
-        if self.nVersion == 10300:
-            self.nVersion = 300
         self.nServices = struct.unpack("<Q", f.read(8))[0]
         self.nTime = struct.unpack("<q", f.read(8))[0]
         self.addrTo = CAddress()
         self.addrTo.deserialize(f, False)
 
-        if self.nVersion >= 106:
-            self.addrFrom = CAddress()
-            self.addrFrom.deserialize(f, False)
-            self.nNonce = struct.unpack("<Q", f.read(8))[0]
-            self.strSubVer = deser_string(f)
-        else:
-            self.addrFrom = None
-            self.nNonce = None
-            self.strSubVer = None
-            self.nStartingHeight = None
+        self.addrFrom = CAddress()
+        self.addrFrom.deserialize(f, False)
+        self.nNonce = struct.unpack("<Q", f.read(8))[0]
+        self.strSubVer = deser_string(f)
 
-        if self.nVersion >= 209:
-            self.nStartingHeight = struct.unpack("<i", f.read(4))[0]
-        else:
-            self.nStartingHeight = None
+        self.nStartingHeight = struct.unpack("<i", f.read(4))[0]
 
         if self.nVersion >= 70001:
             # Relay field is optional for version 70001 onwards