diff --git a/wagtail/contrib/table_block/templates/table_block/blocks/table.html b/wagtail/contrib/table_block/templates/table_block/blocks/table.html
index e377a8ca6b..e7d6f7cb01 100644
--- a/wagtail/contrib/table_block/templates/table_block/blocks/table.html
+++ b/wagtail/contrib/table_block/templates/table_block/blocks/table.html
@@ -1,9 +1,26 @@
-<div class="table">
-    <table>
-        {% if table_header %}
-            <thead>
-            <tr>
-                {% for column in table_header %}
+<table>
+    {% if table_header %}
+        <thead>
+        <tr>
+            {% for column in table_header %}
+                <th>
+                    {% if column.strip %}
+                        {% if html_renderer %}
+                            {{ column.strip|safe|linebreaksbr }}
+                        {% else %}
+                            {{ column.strip|linebreaksbr }}
+                        {% endif %}
+                    {% endif %}
+                </th>
+            {% endfor %}
+        </tr>
+        </thead>
+    {% endif %}
+    <tbody>
+    {% for row in data %}
+        <tr>
+            {% for column in row %}
+                {% if first_col_is_header and forloop.first %}
                     <th>
                         {% if column.strip %}
                             {% if html_renderer %}
@@ -13,38 +30,19 @@
                             {% endif %}
                         {% endif %}
                     </th>
-                {% endfor %}
-            </tr>
-            </thead>
-        {% endif %}
-        <tbody>
-        {% for row in data %}
-            <tr>
-                {% for column in row %}
-                    {% if first_col_is_header and forloop.first %}
-	                    <th>
-	                        {% if column.strip %}
-                                {% if html_renderer %}
-                                    {{ column.strip|safe|linebreaksbr }}
-                                {% else %}
-                                    {{ column.strip|linebreaksbr }}
-                                {% endif %}
-	                        {% endif %}
-	                    </th>
-	                 {% else %}
-                        <td>
-                            {% if column.strip %}
-                                {% if html_renderer %}
-                                    {{ column.strip|safe|linebreaksbr }}
-                                {% else %}
-                                    {{ column.strip|linebreaksbr }}
-                                {% endif %}
+                 {% else %}
+                    <td>
+                        {% if column.strip %}
+                            {% if html_renderer %}
+                                {{ column.strip|safe|linebreaksbr }}
+                            {% else %}
+                                {{ column.strip|linebreaksbr }}
                             {% endif %}
-                        </td>
-	                 {% endif %}
-                {% endfor %}
-            </tr>
-        {% endfor %}
-        </tbody>
-    </table>
-</div>
+                        {% endif %}
+                    </td>
+                 {% endif %}
+            {% endfor %}
+        </tr>
+    {% endfor %}
+    </tbody>
+</table>
diff --git a/wagtail/contrib/table_block/tests.py b/wagtail/contrib/table_block/tests.py
index ccdf72e80b..21b424338f 100644
--- a/wagtail/contrib/table_block/tests.py
+++ b/wagtail/contrib/table_block/tests.py
@@ -21,7 +21,7 @@ def get_test_html_from_value(value):
     that's what we expect from the TableBlock.
     """
     data = list(value['data'])  # Make a copy
-    table = '<div class="table"><table>'
+    table = '<table>'
     if value['first_row_is_table_header']:
         row_header = data.pop(0)
         table += '<thead><tr>'
@@ -39,7 +39,7 @@ def get_test_html_from_value(value):
                 table += '<td>%s</td>' % tiny_escape(col)
             first = False
         table += '</tr>'
-    table += '</tbody></table></div>'
+    table += '</tbody></table>'
     return table