created method for delete order tax

assets/css/admin.less

@@ -848,6 +848,21 @@ ul.wc_coupon_list_block {
 				background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAYAAACNMs+9AAAARklEQVQYGWP8//8/AzGACV3Rnj17/oMwujiGQnQFMD7RChlBbsRmFcwkEO3i4sJImonIumGmg0xBFifaRKIVgj2DbAUuNgCfThpracSKqwAAAABJRU5ErkJggg==) no-repeat center;
 			}
 		}
+		.delete-order-tax {
+			.ir;
+			display: inline-block;
+			margin: 0;
+			&:before {
+				.icon;
+				content: "\e013";
+				color: #999;
+			}
+			&:hover {
+				&:before {
+					color: @red;
+				}
+			}
+		}
 	}
 }
 

assets/js/admin/meta-boxes-order.js

@@ -555,6 +555,31 @@ jQuery( function ( $ ) {
 				}
 			});
 
+			return false;
+		})
+		.on( 'click', 'a.delete-order-tax', function () {
+
+			addOrderItemsLoading();
+
+			var data = {
+				action:   'woocommerce_remote_order_tax',
+				rate_id:  $( this ).attr( 'data-rate_id' ),
+				order_id: woocommerce_admin_meta_boxes.post_id,
+				security: woocommerce_admin_meta_boxes.order_item_nonce
+			};
+
+			$.ajax({
+				url:  woocommerce_admin_meta_boxes.ajax_url,
+				data: data,
+				type: 'POST',
+				success: function( response ) {
+					$( '#woocommerce-order-items .inside' ).empty();
+					$( '#woocommerce-order-items .inside' ).append( response );
+					runTipTip();
+					removeOrderItemsLoading();
+				}
+			});
+
 			return false;
 		});
 
@@ -612,30 +637,6 @@ jQuery( function ( $ ) {
 
 	// Display a total for taxes
 	$('#woocommerce-order-totals')
-		.on( 'change input', '.order_taxes_amount, .order_taxes_shipping_amount, .shipping_cost, #_order_discount', function() {
-			var $this  =  $(this);
-			var fields = $this.closest('.totals_group').find('input[type=number], .wc_input_price');
-			var total  = 0;
-
-			fields.each(function(){
-				if ( $(this).val() )
-					total = total + accounting.unformat( $(this).val(), woocommerce_admin.mon_decimal_point );
-			});
-
-			if ( $this.is('.order_taxes_amount') || $this.is('.order_taxes_shipping_amount') ) {
-				total = round( total, woocommerce_admin_meta_boxes.currency_format_num_decimals, woocommerce_admin_meta_boxes.tax_rounding_mode );
-			}
-
-			var formatted_total = accounting.formatMoney( total, {
-				symbol 		: woocommerce_admin_meta_boxes.currency_format_symbol,
-				decimal 	: woocommerce_admin_meta_boxes.currency_format_decimal_sep,
-				thousand	: woocommerce_admin_meta_boxes.currency_format_thousand_sep,
-				precision 	: woocommerce_admin_meta_boxes.currency_format_num_decimals,
-				format		: woocommerce_admin_meta_boxes.currency_format
-			} );
-
-			$this.closest('.totals_group').find('span.inline_total').text( formatted_total );
-		})
 		// Calculate totals
 		.on('click', 'button.calc_line_taxes', function(){
 			// Block write panel

includes/admin/meta-boxes/views/html-order-items.php

@@ -43,6 +43,7 @@ if ( 'yes' == get_option( 'woocommerce_calc_taxes' ) ) {
 										echo esc_attr( $tax_item['label'] . ' (' . $tax_item['name'] . ')' );
 									?>">[?]</span>
 									<input type="hidden" name="order_taxes[<?php echo $tax_id; ?>]" value="<?php echo esc_attr( $tax_item['rate_id'] ); ?>">
+									<a class="delete-order-tax" href="#" data-rate_id="<?php echo $tax_id; ?>"></a>
 								</th>
 
 							<?php

includes/class-wc-ajax.php

@@ -47,6 +47,7 @@ class WC_AJAX {
 			'add_order_shipping'                               => false,
 			'add_order_tax'                                    => false,
 			'remove_order_item'                                => false,
+			'remote_order_tax'                                 => false,
 			'reduce_order_item_stock'                          => false,
 			'increase_order_item_stock'                        => false,
 			'add_order_item_meta'                              => false,
@@ -1127,6 +1128,26 @@ class WC_AJAX {
 		die();
 	}
 
+	/**
+	 * Remove an order tax
+	 */
+	public static function remote_order_tax() {
+
+		check_ajax_referer( 'order-item', 'security' );
+
+		$order_id = absint( $_POST['order_id'] );
+		$rate_id  = absint( $_POST['rate_id'] );
+
+		wc_delete_order_item( $rate_id );
+
+		// Return HTML items
+		$order = new WC_Order( $order_id );
+		$data  = get_post_meta( $order_id );
+		include( 'admin/meta-boxes/views/html-order-items.php' );
+
+		die();
+	}
+
 	/**
 	 * Reduce order item stock
 	 */