diff --git a/bin/pt-table-checksum b/bin/pt-table-checksum
index 8ac2bae8..3191c785 100755
--- a/bin/pt-table-checksum
+++ b/bin/pt-table-checksum
@@ -9847,7 +9847,6 @@ use sigtrap 'handler', \&sig_int, 'normal-signals';
 my $oktorun      = 1;
 my $print_header = 1;
 my $exit_status  = 0;
-my $original_qrt_plugin_master_status = undef;
 
 # "exit codes 1 - 2, 126 - 165, and 255 [1] have special meanings,
 # and should therefore be avoided for user-specified exit parameters"
@@ -10104,7 +10103,6 @@ sub main {
             . "level to REPEATABLE-READ.\n";
       }
 
-
       return;
    };
 
@@ -10133,20 +10131,6 @@ sub main {
    my $master_dbh = $master_cxn->dbh();  # just for brevity
    my $master_dsn = $master_cxn->dsn();  # just for brevity
 
-   if ($o->get('disable-qrt-plugin')) {
-       eval {
-           $master_dbh->selectrow_arrayref('SELECT @@QUERY_RESPONSE_TIME_SESSION_STATS' );
-       };
-       if ($EVAL_ERROR) {
-           $original_qrt_plugin_master_status = undef;
-           PTDEBUG && _d('QRT plugin is not installed: '.$EVAL_ERROR);
-       } else {
-           ($original_qrt_plugin_master_status) = $master_dbh->selectrow_arrayref('SELECT @@query_response_time_stats' );
-           PTDEBUG && _d("Disabling qrt plugin on master server");
-           $master_dbh->do('SET GLOBAL query_response_time_stats = off');
-       }
-   }
-
    my @ignored_engines = keys %{$o->get('ignore-engines')};
    my @rocksdb_ignored = grep(/^ROCKSDB$/i, @ignored_engines); 
    if (!@rocksdb_ignored) {
@@ -10467,23 +10451,6 @@ sub main {
          }
       }
 
-      for my $slave (@$slaves) {
-          my $qrt_plugin_status;
-          eval {
-              ($qrt_plugin_status) = $slave->{dbh}->selectrow_arrayref('SELECT @@QUERY_RESPONSE_TIME_SESSION_STATS' );
-          };
-          if ($EVAL_ERROR) {
-              PTDEBUG && _d('QRT plugin is not installed on slave '.$slave->{dsn_name});
-              $slave->{qrt_plugin_status} = undef;
-              next;
-          }
-          $slave->{qrt_plugin_status} = $qrt_plugin_status->[0];
-          if ($slave->{qrt_plugin_status}) {
-              PTDEBUG && _d("Disabling qrt plugin state on slave ".$slave->{dsn_name});
-              $slave->{dbh}->do('SET GLOBAL query_response_time_stats = off');
-          }
-      }
-
       if ( $o->get('check-slave-lag') ) {
          PTDEBUG && _d('Will use --check-slave-lag to check for slave lag');
          my $cxn = $make_cxn->(
@@ -11486,25 +11453,6 @@ sub main {
       }
    }
 
-   # Restore origin QRT pligin state
-   if ($o->get('disable-qrt-plugin')) {
-       eval {
-           if ($original_qrt_plugin_master_status) {
-               PTDEBUG && _d("Restoring qrt plugin state on master server");
-               $master_dbh->do("SET GLOBAL query_response_time_stats = $original_qrt_plugin_master_status->[0]");
-           }
-           for my $slave (@$slaves) {
-               if ($slave->{qrt_plugin_status}) {
-                   PTDEBUG && _d("Restoring qrt plugin state on slave ".$slave->{dsn_name});
-                   $slave->{dbh}->do("SET GLOBAL query_response_time_stats = $slave->{qrt_plugin_status}");
-               }
-           }
-       };
-       if ($EVAL_ERROR) {
-           warn "Cannot restore qrt_plugin status: $EVAL_ERROR";
-       }
-   }
-
    PTDEBUG && _d('Exit status', $exit_status,
                  'oktorun',     $oktorun,
                  'have time',   $have_time->());
@@ -13190,10 +13138,6 @@ short form: -F; type: string; group: Connection
 Only read mysql options from the given file.  You must give an absolute
 pathname.
 
-=item --disable-qrt-plugin
-
-Disable the QRT (Query Response Time) plugin if it is enabled.
-
 =item --[no]empty-replicate-table
 
 default: yes