diff --git a/phpBB/adm/style/acp_users_prefs.html b/phpBB/adm/style/acp_users_prefs.html
index a519447b2f..90db62984e 100644
--- a/phpBB/adm/style/acp_users_prefs.html
+++ b/phpBB/adm/style/acp_users_prefs.html
@@ -56,11 +56,6 @@
 		<dt><label for="tz">{L_BOARD_TIMEZONE}:</label></dt>
 		<dd><select id="tz" name="tz" style="width: 100%;">{S_TZ_OPTIONS}</select></dd>
 	</dl>
-	<dl> 
-		<dt><label for="dst">{L_BOARD_DST}:</label></dt>
-		<dd><label><input type="radio" class="radio" name="dst" value="1"<!-- IF DST --> id="dst" checked="checked"<!-- ENDIF --> /> {L_YES}</label>
-			<label><input type="radio" class="radio" name="dst" value="0"<!-- IF not DST --> id="dst" checked="checked"<!-- ENDIF --> /> {L_NO}</label></dd>
-	</dl>
 	<dl> 
 		<dt><label for="dateoptions">{L_BOARD_DATE_FORMAT}:</label><br /><span>{L_BOARD_DATE_FORMAT_EXPLAIN}</span></dt>
 		<dd><select name="dateoptions" id="dateoptions" onchange="if(this.value=='custom'){dE('custom_date',1);}else{dE('custom_date',-1);} if (this.value == 'custom') { document.getElementById('dateformat').value = default_dateformat; } else { document.getElementById('dateformat').value = this.value; }">{S_DATEFORMAT_OPTIONS}</select></dd>
diff --git a/phpBB/styles/prosilver/template/ucp_prefs_personal.html b/phpBB/styles/prosilver/template/ucp_prefs_personal.html
index eae37b8021..267a3b8c2f 100644
--- a/phpBB/styles/prosilver/template/ucp_prefs_personal.html
+++ b/phpBB/styles/prosilver/template/ucp_prefs_personal.html
@@ -82,13 +82,6 @@
 			</select>
 		</dd>
 	</dl>
-	<dl>
-		<dt><label for="dst1">{L_BOARD_DST}:</label></dt>
-		<dd>
-			<label for="dst1"><input type="radio" name="dst" id="dst1" value="1"<!-- IF S_DST --> checked="checked"<!-- ENDIF --> /> {L_YES}</label> 
-			<label for="dst0"><input type="radio" name="dst" id="dst0" value="0"<!-- IF not S_DST --> checked="checked"<!-- ENDIF --> /> {L_NO}</label>
-		</dd>
-	</dl>
 	<dl>
 		<dt><label for="dateformat">{L_BOARD_DATE_FORMAT}:</label><br /><span>{L_BOARD_DATE_FORMAT_EXPLAIN}</span></dt>
 		<dd>
diff --git a/phpBB/styles/subsilver2/template/ucp_prefs_personal.html b/phpBB/styles/subsilver2/template/ucp_prefs_personal.html
index 8e4b04fc10..357e1fe100 100644
--- a/phpBB/styles/subsilver2/template/ucp_prefs_personal.html
+++ b/phpBB/styles/subsilver2/template/ucp_prefs_personal.html
@@ -77,10 +77,6 @@
 		<select id="tz" name="tz">{S_TZ_OPTIONS}</select>
 	</td>
 </tr>
-<tr>
-	<td class="row1" width="50%"><b class="genmed">{L_BOARD_DST}:</b></td>
-	<td class="row2"><input type="radio" class="radio" name="dst" value="1"<!-- IF S_DST --> checked="checked"<!-- ENDIF --> /> <span class="genmed">{L_YES}</span>&nbsp;&nbsp;<input type="radio" class="radio" name="dst" value="0"<!-- IF not S_DST --> checked="checked"<!-- ENDIF --> /> <span class="genmed">{L_NO}</span></td>
-</tr>
 <tr>
 	<td class="row1" width="50%"><b class="genmed">{L_BOARD_DATE_FORMAT}:</b><br /><span class="gensmall">{L_BOARD_DATE_FORMAT_EXPLAIN}</span></td>
 	<td class="row2">