diff --git a/application/controllers/Logbook.php b/application/controllers/Logbook.php
index da892bc69..28a966fc5 100644
--- a/application/controllers/Logbook.php
+++ b/application/controllers/Logbook.php
@@ -138,7 +138,7 @@ class Logbook extends CI_Controller {
 		$return['dxcc'] = $this->dxcheck($callsign);
 
 		$lookupcall=$this->get_plaincall($callsign);
-	
+
 		$return['partial'] = $this->partial($lookupcall);
 
 		$callbook = $this->logbook_model->loadCallBook($callsign, $this->config->item('use_fullname'));
@@ -1012,39 +1012,6 @@ class Logbook extends CI_Controller {
 		return $this->db->get();
   }
 
-	function search_duplicates($station_id) {
-		$station_id = $this->security->xss_clean($station_id);
-
-		$this->load->model('user_model');
-
-		if(!$this->user_model->authorize($this->config->item('auth_mode'))) { return; }
-
-		$this->load->model('logbooks_model');
-		$logbooks_locations_array = $this->logbooks_model->list_logbook_relationships($this->session->userdata('active_station_logbook'));
-
-		if (!$logbooks_locations_array) {
-			return null;
-		}
-
-		$location_list = "'".implode("','",$logbooks_locations_array)."'";
-
-		$sql = 'select count(*) as occurence, COL_CALL, COL_MODE, COL_SUBMODE, station_callsign, COL_SAT_NAME, COL_BAND,  min(col_time_on) Mintime, max(col_time_on) Maxtime from ' . $this->config->item('table_name') .
-		' join station_profile on ' . $this->config->item('table_name') . '.station_id = station_profile.station_id where ' . $this->config->item('table_name') .'.station_id in ('. $location_list . ')';
-
-		if ($station_id != 'All') {
-			$sql .= ' and station_profile.station_id = ' . $station_id;
-		}
-
-		$sql .= ' group by col_call, col_mode, COL_SUBMODE, STATION_CALLSIGN, col_band, COL_SAT_NAME having count(*) > 1 and timediff(maxtime, mintime) < 3000';
-
-		$query = $this->db->query($sql);
-
-		$data['qsos'] = $query;
-
-		$this->load->view('search/duplicates_result.php', $data);
-
-	}
-
 	function search_lotw_unconfirmed($station_id) {
 		$station_id = $this->security->xss_clean($station_id);
 
diff --git a/application/controllers/Search.php b/application/controllers/Search.php
index 5e9bd6a37..57c8cdeb7 100644
--- a/application/controllers/Search.php
+++ b/application/controllers/Search.php
@@ -56,18 +56,6 @@ class Search extends CI_Controller {
         }
     }
 
-	// Searches for duplicate QSOs within 30m of time difference
-    public function duplicates() {
-		$this->load->model('stations');
-
-		$data['station_profile'] = $this->stations->all_of_user();
-        $data['page_title'] = "Duplicate QSOs within 30m time difference";
-
-		$this->load->view('interface_assets/header', $data);
-		$this->load->view('search/duplicates');
-		$this->load->view('interface_assets/footer');
-    }
-
 	// Searches for incorrect CQ Zones
 	public function incorrect_cq_zones() {
 		$this->load->model('stations');
diff --git a/application/views/interface_assets/footer.php b/application/views/interface_assets/footer.php
index 14766a0c2..7ad9a8603 100644
--- a/application/views/interface_assets/footer.php
+++ b/application/views/interface_assets/footer.php
@@ -838,32 +838,6 @@ function showActivatorsMap(call, count, grids) {
 <script type="text/javascript">
 i=0;
 
-function findduplicates(){
-    event.preventDefault();
-    $('#partial_view').load(base_url+"index.php/logbook/search_duplicates/"+$("#station_id").val(), function() {
-        $('.qsolist').DataTable({
-            "pageLength": 25,
-            responsive: false,
-            ordering: false,
-            "scrollY":        "500px",
-            "scrollCollapse": true,
-            "paging":         false,
-            "scrollX": true,
-            "language": {
-                url: getDataTablesLanguageUrl(),
-            },
-            dom: 'Bfrtip',
-            buttons: [
-                'csv'
-            ]
-        });
-        // change color of csv-button if dark mode is chosen
-        if (isDarkModeTheme()) {
-            $(".buttons-csv").css("color", "white");
-        }
-    });
-}
-
 function findlotwunconfirmed(){
     event.preventDefault();
     $('#partial_view').load(base_url+"index.php/logbook/search_lotw_unconfirmed/"+$("#station_id").val(), function() {
@@ -917,7 +891,7 @@ function findincorrectcqzones() {
 }
 
 function searchButtonPress() {
-    if (event) { event.preventDefault(); } 
+    if (event) { event.preventDefault(); }
     if ($('#callsign').val()) {
         let fixedcall = $('#callsign').val();
         $('#partial_view').load("logbook/search_result/" + fixedcall.replace('Ø', '0'), function() {
diff --git a/application/views/search/cqzones.php b/application/views/search/cqzones.php
index cc0f9525b..a3ba7a457 100644
--- a/application/views/search/cqzones.php
+++ b/application/views/search/cqzones.php
@@ -13,9 +13,6 @@
 	      </li>
 	      <li class="nav-item">
 	        <a class="nav-link" href="<?php echo site_url('search/filter'); ?>">Advanced Search</a>
-	      </li>
-		  <li class="nav-item">
-	        <a class="nav-link" href="<?php echo site_url('search/duplicates'); ?>">Duplicate QSOs</a>
 	      </li>
 		  <li class="nav-item">
 	        <a class="nav-link active" href="<?php echo site_url('search/incorrect_cq_zones'); ?>">Incorrect CQ Zones</a>
diff --git a/application/views/search/duplicates.php b/application/views/search/duplicates.php
deleted file mode 100644
index 7efc94847..000000000
--- a/application/views/search/duplicates.php
+++ /dev/null
@@ -1,49 +0,0 @@
-<div class="container search">
-
-	<h1>
-		Search
-		<small class="text-muted">Ready to find a QSO?</small>
-	</h1>
-
-	<div class="card text-center">
-	  <div class="card-header">
-	    <ul class="nav nav-tabs card-header-tabs">
-	      <li class="nav-item">
-	        <a class="nav-link" href="<?php echo site_url('search'); ?>">Search</a>
-	      </li>
-	      <li class="nav-item">
-	        <a class="nav-link" href="<?php echo site_url('search/filter'); ?>">Advanced Search</a>
-	      </li>
-		  <li class="nav-item">
-	        <a class="nav-link active" href="<?php echo site_url('search/duplicates'); ?>">Duplicate QSOs</a>
-	      </li>
-		  <li class="nav-item">
-	        <a class="nav-link" href="<?php echo site_url('search/incorrect_cq_zones'); ?>">Incorrect CQ Zones</a>
-	      </li>
-		  <li class="nav-item">
-	        <a class="nav-link" href="<?php echo site_url('search/lotw_unconfirmed'); ?>">QSOs unconfirmed on LoTW</a>
-	      </li>
-	    </ul>
-	  </div>
-	  <div class="card-body">
-	  	<form method="post" action="" id="search_box" name="test">
-		  <div class="mb-3 row">
-		    <label for="callsign" class="col-sm-2 col-form-label">Station location:</label>
-		    <select id="station_id" name="station_profile" class="form-select col-sm-3 mb-3 me-sm-3 w-auto">
-					<option value="All">All</option>
-                    <?php foreach ($station_profile->result() as $station) { ?>
-                    <option value="<?php echo $station->station_id; ?>">Callsign: <?php echo $station->station_callsign; ?> (<?php echo $station->station_profile_name; ?>)</option>
-                    <?php } ?>
-                    </select>
-		    <div class="col-sm-2">
-		    	<button onclick="findduplicates();" class="btn btn-outline-success my-2 my-sm-0" type="submit"><i class="fas fa-search"></i> Search</button>
-		    </div>
-		  </div>
-		</form>
-
-		<div id="partial_view"></div>
-
-	  </div>
-	</div>
-
-</div>
diff --git a/application/views/search/duplicates_result.php b/application/views/search/duplicates_result.php
deleted file mode 100644
index 6a6a84971..000000000
--- a/application/views/search/duplicates_result.php
+++ /dev/null
@@ -1,50 +0,0 @@
-<?php
-if ($qsos->result() != NULL) {
-	Echo 'The following QSOs were found on the same band, mode, date and time difference 30 minutes:';
-	echo '<table style="width:100%" class="qsolist table-sm table-bordered table-hover table-striped table-condensed">
-	<thead>
-	<tr>
-	<th style=\'text-align: center\'>Occurrence</th>
-	<th style=\'text-align: center\'>'.lang('gen_hamradio_callsign').'</th>
-	<th style=\'text-align: center\'>Min date</th>
-	<th style=\'text-align: center\'>Min time</th>
-	<th style=\'text-align: center\'>Max date</th>
-	<th style=\'text-align: center\'>Max time</th>
-	<th style=\'text-align: center\'>' . lang('gen_hamradio_mode') . '</th>
-	<th style=\'text-align: center\'>' . lang('gen_hamradio_band') . '</th>
-	<th style=\'text-align: center\'>' . lang('gen_hamradio_station') . '</th>
-	</tr>
-	</thead><tbody>';
-
-	// Get Date format
-	if($this->session->userdata('user_date_format')) {
-		// If Logged in and session exists
-		$custom_date_format = $this->session->userdata('user_date_format');
-	} else {
-		// Get Default date format from /config/wavelog.php
-		$custom_date_format = $this->config->item('qso_date_format');
-	}
-
-	$i = 0;
-	foreach ($qsos->result() as $qso) {
-		echo '<tr>';
-		echo '<td style=\'text-align: center\'>' . $qso->occurence . '</td>';
-		echo '<td style=\'text-align: center\'><form id="searchcall_'.$i.'" method="POST" action="'.site_url('search'). '"><input type="hidden" value="'. strtoupper($qso->COL_CALL) .'" name="callsign"><a href="javascript:$(\'#searchcall_'.$i++.'\').submit()">' . $qso->COL_CALL . '</a></form></td>';
-		echo '<td style=\'text-align: center\'>'; $timestamp = strtotime($qso->Mintime); echo date($custom_date_format, $timestamp); echo '</td>';
-		echo '<td style=\'text-align: center\'>'; $timestamp = strtotime($qso->Mintime); echo date('H:i', $timestamp); echo '</td>';
-		echo '<td style=\'text-align: center\'>'; $timestamp = strtotime($qso->Maxtime); echo date($custom_date_format, $timestamp); echo '</td>';
-		echo '<td style=\'text-align: center\'>'; $timestamp = strtotime($qso->Maxtime); echo date('H:i', $timestamp); echo '</td>';
-		echo '<td style=\'text-align: center\'>'; echo $qso->COL_SUBMODE==null?$qso->COL_MODE:$qso->COL_SUBMODE; echo '</td>';
-		echo '<td style=\'text-align: center\'>'; if($qso->COL_SAT_NAME != null) { echo $qso->COL_SAT_NAME; } else { echo strtolower($qso->COL_BAND); }; echo '</td>';
-		echo '<td style=\'text-align: center\'><span class="badge text-bg-light">' . $qso->station_callsign . '</span></td>';
-		echo '</tr>';
-	}
-
-	echo '</tbody></table>';
-	?>
-
-	<?php
-} else {
-	echo '<div class="alert alert-success">No duplicate QSO\'s were found.</div>';
-}
-?>
\ No newline at end of file
diff --git a/application/views/search/filter.php b/application/views/search/filter.php
index 8eca767f7..fa3d85206 100644
--- a/application/views/search/filter.php
+++ b/application/views/search/filter.php
@@ -21,9 +21,6 @@
 	      </li>
 	      <li class="nav-item">
 	        <a class="nav-link active" href="<?php echo site_url('search/filter'); ?>">Advanced Search</a>
-	      </li>
-		  <li class="nav-item">
-	        <a class="nav-link" href="<?php echo site_url('search/duplicates'); ?>">Duplicate QSOs</a>
 	      </li>
 		  <li class="nav-item">
 	        <a class="nav-link" href="<?php echo site_url('search/incorrect_cq_zones'); ?>">Incorrect CQ Zones</a>
diff --git a/application/views/search/lotw_unconfirmed.php b/application/views/search/lotw_unconfirmed.php
index 43345a257..1d43f68f1 100644
--- a/application/views/search/lotw_unconfirmed.php
+++ b/application/views/search/lotw_unconfirmed.php
@@ -13,9 +13,6 @@
 	      </li>
 	      <li class="nav-item">
 	        <a class="nav-link" href="<?php echo site_url('search/filter'); ?>">Advanced Search</a>
-	      </li>
-		  <li class="nav-item">
-	        <a class="nav-link" href="<?php echo site_url('search/duplicates'); ?>">Duplicate QSOs</a>
 	      </li>
 		  <li class="nav-item">
 	        <a class="nav-link " href="<?php echo site_url('search/incorrect_cq_zones'); ?>">Incorrect CQ Zones</a>
diff --git a/application/views/search/main.php b/application/views/search/main.php
index 63e947504..83135f665 100644
--- a/application/views/search/main.php
+++ b/application/views/search/main.php
@@ -13,9 +13,6 @@
 	      </li>
 	      <li class="nav-item">
 	        <a class="nav-link" href="<?php echo site_url('search/filter'); ?>">Advanced Search</a>
-	      </li>
-		  <li class="nav-item">
-	        <a class="nav-link" href="<?php echo site_url('search/duplicates'); ?>">Duplicate QSOs</a>
 	      </li>
 		  <li class="nav-item">
 	        <a class="nav-link" href="<?php echo site_url('search/incorrect_cq_zones'); ?>">Incorrect CQ Zones</a>