diff --git a/templates/operation_templates_page.xml b/templates/operation_templates_page.xml
index 3bc5b253075b27ca7f4864b1e5d740dbcc153e65..6878d607c029b1c07a907bba42fe36c8c5534fdf 100644
--- a/templates/operation_templates_page.xml
+++ b/templates/operation_templates_page.xml
@@ -263,8 +263,6 @@
             <canvas
                 id="histo_chart_conso"
                 class="histo_chart_conso"
-                width="auto"
-                height="200"
             />
         </div>
     </template>
@@ -276,8 +274,6 @@
             <canvas
                 id="pie_chart_conso"
                 class="pie_chart_conso"
-                width="auto"
-                height="200"
             />
         </div>
     </template>
@@ -290,8 +286,6 @@
             <canvas
                 id="line_chart_conso"
                 class="line_chart_conso"
-                width="auto"
-                height="200"
             />
         </div>
     </template>
@@ -304,8 +298,6 @@
             <canvas
                 id="histo_chart_prod"
                 class="histo_chart_prod"
-                width="auto"
-                height="200"
             />
         </div>
     </template>
@@ -317,8 +309,6 @@
             <canvas
                 id="pie_chart_prod"
                 class="pie_chart_prod"
-                width="auto"
-                height="200"
             />
         </div>
     </template>
@@ -331,8 +321,6 @@
             <canvas
                 id="line_chart_prod"
                 class="line_chart_prod"
-                width="auto"
-                height="200"
             />
         </div>
     </template>