--- command.c
+++ command.c
@@ -3348,20 +3345,6 @@ SyncVariables(void)
 	SetVariable(pset.vars, "PORT", PQport(pset.db));
 	SetVariable(pset.vars, "ENCODING", pg_encoding_to_char(pset.encoding));
 
-	/* this bit should match connection_warnings(): */
-	/* Try to get full text form of version, might include "devel" etc */
-	server_version = PQparameterStatus(pset.db, "server_version");
-	/* Otherwise fall back on pset.sversion for servers prior 7.4 */
-	if (!server_version)
-	{
-		formatPGVersionNumber(pset.sversion, true, vbuf, sizeof(vbuf));
-		server_version = vbuf;
-	}
-	SetVariable(pset.vars, "SERVER_VERSION_NAME", server_version);
-
-	snprintf(vbuf, sizeof(vbuf), "%d", pset.sversion);
-	SetVariable(pset.vars, "SERVER_VERSION_NUM", vbuf);
-
 	/* send stuff to it, too */
 	PQsetErrorVerbosity(pset.db, pset.verbosity);
 	PQsetErrorContextVisibility(pset.db, pset.show_context);