diff --git a/demos/classchart.html b/demos/classchart.html
index 3ad8fb100b..57646e7159 100644
--- a/demos/classchart.html
+++ b/demos/classchart.html
@@ -145,21 +145,6 @@ <h1>Class diagram demos</h1>
     </pre>
     <hr />
 
-    <pre class="mermaid">
-    classDiagram
-      class Person {
-        +Id : Guid
-        +FirstName : string
-        +LastName : string
-        -privateProperty : string
-        #ProtectedProperty : string
-        ~InternalProperty : string
-        ~AnotherInternalProperty : List~List~string~~
-      }
-      class People List~List~Person~~
-    </pre>
-    <hr />
-
     <pre class="mermaid">
     classDiagram
       A1 --> B1
diff --git a/demos/flowchart.html b/demos/flowchart.html
index 8389510b28..a52be63e93 100644
--- a/demos/flowchart.html
+++ b/demos/flowchart.html
@@ -261,31 +261,6 @@ <h3>flowchart</h3>
     <h2>Sample 3</h2>
     <h3>graph</h3>
     <pre class="mermaid">
-    graph TD
-    A[/Christmas\]
-    A -->|Get money| B[\Go shopping/]
-    B --> C{Let me thinksssss<br/>ssssssssssssssssssssss<br/>sssssssssssssssssssssssssss}
-    C -->|One| D[/Laptop/]
-    C -->|Two| E[\iPhone\]
-    C -->|Three| F[Car]
-  </pre>
-    <hr />
-
-    <h3>flowchart</h3>
-    <pre class="mermaid">
-    flowchart TD
-    A[/Christmas\]
-    A -->|Get money| B[\Go shopping/]
-    B --> C{Let me thinksssss<br/>ssssssssssssssssssssss<br/>sssssssssssssssssssssssssss}
-    C -->|One| D[/Laptop/]
-    C -->|Two| E[\iPhone\]
-    C -->|Three| F[Car]
-  </pre>
-    <hr />
-
-    <h2>Sample 4</h2>
-    <h3>graph</h3>
-    <pre class="mermaid">
     graph LR
     47(SAM.CommonFA.FMESummary)-->48(SAM.CommonFA.CommonFAFinanceBudget)
     37(SAM.CommonFA.BudgetSubserviceLineVolume)-->48(SAM.CommonFA.CommonFAFinanceBudget)
@@ -336,7 +311,7 @@ <h3>flowchart</h3>
     </pre>
     <hr />
 
-    <h2>Sample 5</h2>
+    <h2>Sample 4</h2>
     <h3>graph</h3>
     <pre class="mermaid">
     graph TD
@@ -473,7 +448,7 @@ <h3>flowchart</h3>
     </pre>
     <hr />
 
-    <h2>Sample 6</h2>
+    <h2>Sample 5</h2>
     <h3>graph</h3>
     <pre class="mermaid">
     graph TB
@@ -492,7 +467,7 @@ <h3>flowchart</h3>
     </pre>
     <hr />
 
-    <h2>Sample 7</h2>
+    <h2>Sample 6</h2>
     <h3>graph</h3>
     <pre class="mermaid">
     graph TB
@@ -557,7 +532,7 @@ <h3>flowchart</h3>
     </pre>
     <hr />
 
-    <h2>Sample 8</h2>
+    <h2>Sample 7</h2>
     <h3>graph</h3>
     <pre class="mermaid">
     graph LR
@@ -594,7 +569,7 @@ <h3>flowchart</h3>
     </pre>
     <hr />
 
-    <h2>Sample 9</h2>
+    <h2>Sample 8</h2>
     <h3>graph</h3>
     <pre class="mermaid">
     graph TD
@@ -627,7 +602,7 @@ <h3>flowchart</h3>
   </pre>
     <hr />
 
-    <h2>Sample 10</h2>
+    <h2>Sample 9</h2>
     <h3>graph</h3>
     <pre class="mermaid">
     graph TD
@@ -662,7 +637,7 @@ <h3>flowchart</h3>
   </pre>
     <hr />
 
-    <h2>Sample 11</h2>
+    <h2>Sample 10</h2>
     <h3>graph</h3>
     <pre class="mermaid">
     graph LR
@@ -697,7 +672,7 @@ <h3>flowchart</h3>
   </pre>
     <hr />
 
-    <h2>Sample 12</h2>
+    <h2>Sample 11</h2>
     <h3>graph</h3>
     <pre class="mermaid">
     graph LR
@@ -740,7 +715,7 @@ <h3>flowchart</h3>
   </pre>
     <hr />
 
-    <h2>Sample 13</h2>
+    <h2>Sample 12</h2>
     <h3>graph</h3>
     <pre class="mermaid">
     graph LR
@@ -771,7 +746,7 @@ <h3>flowchart</h3>
   </pre>
     <hr />
 
-    <h2>Sample 14</h2>
+    <h2>Sample 13</h2>
     <h3>graph</h3>
     <pre class="mermaid">
     graph LR
@@ -794,7 +769,7 @@ <h3>flowchart</h3>
     </pre>
     <hr />
 
-    <h2>Sample 15</h2>
+    <h2>Sample 14</h2>
     <h3>graph</h3>
     <pre class="mermaid">
     graph TB
@@ -835,7 +810,7 @@ <h3>flowchart</h3>
   </pre>
     <hr />
 
-    <h2>Sample 16</h2>
+    <h2>Sample 15</h2>
     <h3>graph</h3>
     <pre class="mermaid">
     graph LR
@@ -872,7 +847,7 @@ <h3>flowchart</h3>
   </pre>
     <hr />
 
-    <h2>Sample 17</h2>
+    <h2>Sample 16</h2>
     <h3>graph</h3>
     <pre class="mermaid">
     graph TD
@@ -901,7 +876,7 @@ <h3>flowchart</h3>
     </pre>
     <hr />
 
-    <h2>Sample 18</h2>
+    <h2>Sample 17</h2>
     <h3>graph</h3>
     <pre class="mermaid">
     graph LR
@@ -1000,7 +975,7 @@ <h3>flowchart</h3>
     </pre>
     <hr />
 
-    <h2>Sample 19</h2>
+    <h2>Sample 18</h2>
     <h3>graph</h3>
     <pre class="mermaid">
     graph TB
@@ -1203,27 +1178,6 @@ <h3>flowchart</h3>
     </pre>
     <hr />
 
-    <pre class="mermaid">
-    graph TD
-    A[Christmas] -->|Get money| B(Go shopping)
-    B --> C{Let me thinksssssx<br />sssssssssssssssssssuuu<br />tttsssssssssssssssssssssss}
-    C -->|One| D[Laptop]
-    C -->|Two| E[iPhone]
-    C -->|Three| F[Car]
-    </pre>
-    <hr />
-
-    <pre class="mermaid">
-    graph TD
-    A[/Christmas\]
-    A -->|Get money| B[\Go shopping/]
-    B --> C{Let me thinksssss<br />ssssssssssssssssssssss<br />sssssssssssssssssssssssssss}
-    C -->|One| D[/Laptop/]
-    C -->|Two| E[\iPhone\]
-    C -->|Three| F[Car]
-    </pre>
-    <hr />
-
     <pre class="mermaid">
     graph LR
     47(SAM.CommonFA.FMESummary)-->48(SAM.CommonFA.CommonFAFinanceBudget)
diff --git a/demos/gantt.html b/demos/gantt.html
index 88f52ef5c9..92e4e728af 100644
--- a/demos/gantt.html
+++ b/demos/gantt.html
@@ -71,28 +71,6 @@ <h1>Gantt chart diagram demos</h1>
     </pre>
     <hr />
 
-    <pre class="mermaid">
-    gantt
-    title Hide today marker (vertical line should not be visible)
-    dateFormat Z
-    axisFormat %d/%m
-    todayMarker off
-    section Section1
-    Today: 1, 08-08-09-01:00, 5min
-    </pre>
-    <hr />
-
-    <pre class="mermaid">
-    gantt
-    title Style today marker (vertical line should be 5px wide and half-transparent blue)
-    dateFormat Z
-    axisFormat %d/%m
-    todayMarker stroke-width:5px,stroke:#00f,opacity:0.5
-    section Section1
-    Today: 1, 08-08-09-01:00, 5min
-    </pre>
-    <hr />
-
     <pre class="mermaid">
     gantt
     dateFormat YYYY-MM-DD