diff --git a/addons/account/views/report_invoice.xml b/addons/account/views/report_invoice.xml
index 79174cd77dd..56d1fbb5d0e 100644
--- a/addons/account/views/report_invoice.xml
+++ b/addons/account/views/report_invoice.xml
@@ -50,13 +50,16 @@
                 </div>
             </div>
 
+            <!-- Is there a discount on at least one line? -->
+            <t t-set="display_discount" t-value="any([l.discount for l in o.invoice_line])"/>
+
             <table class="table table-condensed">
                 <thead>
                     <tr>
                         <th>Description</th>
                         <th class="text-right">Quantity</th>
                         <th class="text-right">Unit Price</th>
-                        <th groups="sale.group_discount_per_so_line">Disc.(%)</th>
+                        <th t-if="display_discount" groups="sale.group_discount_per_so_line">Disc.(%)</th>
                         <th>Taxes</th>
                         <th class="text-right">Price</th>
                     </tr>
@@ -71,7 +74,9 @@
                         <td class="text-right">
                             <span t-field="l.price_unit"/>
                         </td>
-                        <td class="text-right" groups="sale.group_discount_per_so_line"><span t-field="l.discount"/></td>
+                        <td t-if="display_discount" class="text-right" groups="sale.group_discount_per_so_line">
+                            <span t-field="l.discount"/>
+                        </td>
                         <td>
                             <span t-esc="', '.join(map(lambda x: x.name, l.invoice_line_tax_id))"/>
                         </td>
diff --git a/addons/report_intrastat/views/report_intrastatinvoice.xml b/addons/report_intrastat/views/report_intrastatinvoice.xml
index 4da858f6ff5..11d47a336ce 100644
--- a/addons/report_intrastat/views/report_intrastatinvoice.xml
+++ b/addons/report_intrastat/views/report_intrastatinvoice.xml
@@ -38,6 +38,9 @@
                 </div>
             </div>
 
+            <!-- Is there a discount on at least one line? -->
+            <t t-set="display_discount" t-value="any([l.discount for l in o.invoice_line])"/>
+
             <table class="table table-condensed">
                 <thead>
                     <tr>
@@ -48,7 +51,7 @@
                         <th class="text-right">Quantity</th>
                         <th groups="product.group_uom">Unit of measure</th>
                         <th class="text-right">Unit Price</th>
-                        <th class="text-right" groups="sale.group_discount_per_so_line">Discount (%)</th>
+                        <th class="text-right" t-if="display_discount" groups="sale.group_discount_per_so_line">Discount (%)</th>
                         <th class="text-right">Amount</th>
                     </tr>
                 </thead>
@@ -61,7 +64,7 @@
                         <td class="text-right"><span t-field="l.quantity"/></td>
                         <td groups="product.group_uom"><span t-field="l.uos_id"/></td>
                         <td class="text-right"><span t-field="l.price_unit"/></td>
-                        <td groups="sale.group_discount_per_so_line"><span t-field="l.discount"/></td>
+                        <td t-if="display_discount" groups="sale.group_discount_per_so_line"><span t-field="l.discount"/></td>
                         <td class="text-right">
                             <span t-field="l.price_subtotal"
                                 t-field-options='{"widget": "monetary", "display_currency": "o.currency_id"}'/>
diff --git a/addons/sale/views/report_saleorder.xml b/addons/sale/views/report_saleorder.xml
index b710ca462d7..80bf1866735 100644
--- a/addons/sale/views/report_saleorder.xml
+++ b/addons/sale/views/report_saleorder.xml
@@ -52,13 +52,16 @@
                 </div>
             </div>
 
+            <!-- Is there a discount on at least one line? -->
+            <t t-set="display_discount" t-value="any([l.discount for l in doc.order_line])"/>
+
             <table class="table table-condensed">
                 <thead>
                     <tr>
                         <th>Description</th>
                         <th class="text-right">Quantity</th>
                         <th class="text-right">Unit Price</th>
-                        <th class="text-right"><span groups="sale.group_discount_per_so_line">Disc.(%)</span></th>
+                        <th t-if="display_discount" class="text-right"><span groups="sale.group_discount_per_so_line">Disc.(%)</span></th>
                         <th class="text-right">Taxes</th>
                         <th class="text-right">Price</th>
                     </tr>
@@ -75,7 +78,7 @@
                         <td class="text-right">
                             <span t-field="l.price_unit"/>
                         </td>
-                        <td class="text-right" groups="sale.group_discount_per_so_line">
+                        <td t-if="display_discount" class="text-right" groups="sale.group_discount_per_so_line">
                             <span t-field="l.discount"/>
                         </td>
                         <td>
diff --git a/addons/sale_layout/views/report_invoice_layouted.xml b/addons/sale_layout/views/report_invoice_layouted.xml
index e3d34bfe1bb..0e7231bb519 100644
--- a/addons/sale_layout/views/report_invoice_layouted.xml
+++ b/addons/sale_layout/views/report_invoice_layouted.xml
@@ -18,7 +18,9 @@
                     <td class="text-right">
                         <span t-field="l.price_unit"/>
                     </td>
-                    <td class="text-right" groups="sale.group_discount_per_so_line"><span t-field="l.discount"/></td>
+                    <td t-if="display_discount" class="text-right" groups="sale.group_discount_per_so_line">
+                        <span t-field="l.discount"/>
+                    </td>
                     <td>
                         <span t-esc="', '.join(map(lambda x: x.name, l.invoice_line_tax_id))"/>
                     </td>
@@ -49,7 +51,7 @@
                             <th>Description</th>
                             <th class="text-right">Quantity</th>
                             <th class="text-right">Unit Price</th>
-                            <th groups="sale.group_discount_per_so_line">Disc.(%)</th>
+                            <th t-if="display_discount" groups="sale.group_discount_per_so_line">Disc.(%)</th>
                             <th>Taxes</th>
                             <th class="text-right">Price</th>
                         </tr>
diff --git a/addons/sale_layout/views/report_quotation_layouted.xml b/addons/sale_layout/views/report_quotation_layouted.xml
index 9f13bc990f9..340420a63ba 100644
--- a/addons/sale_layout/views/report_quotation_layouted.xml
+++ b/addons/sale_layout/views/report_quotation_layouted.xml
@@ -20,8 +20,8 @@
                             <td class="text-right">
                                 <span t-field="l.price_unit"/>
                             </td>
-                            <td>
-                                <span groups="sale.group_discount_per_so_line" t-field="l.discount"/>
+                            <td t-if="display_discount" class="text-right" groups="sale.group_discount_per_so_line">
+                                <span t-field="l.discount"/>
                             </td>
                             <td>
                                 <span t-esc="', '.join(map(lambda x: x.name, l.tax_id))"/>
@@ -53,8 +53,8 @@
                                     <th>Description</th>
                                     <th class="text-right">Quantity</th>
                                     <th class="text-right">Unit Price</th>
-                                    <th class="text-right"><!-- keep the column to keep a fix number for colspan -->
-                                        <span groups="sale.group_discount_per_so_line">Disc.(%)</span>
+                                    <th t-if="display_discount" groups="sale.group_discount_per_so_line" class="text-right">
+                                        <span>Disc.(%)</span>
                                     </th>
                                     <th class="text-right">Taxes</th>
                                     <th class="text-right">Price</th>