diff --git a/campaigns/mappingthailand/index.html b/campaigns/mappingthailand/index.html
index 4dce85b..ae64e22 100644
--- a/campaigns/mappingthailand/index.html
+++ b/campaigns/mappingthailand/index.html
@@ -47,7 +47,6 @@
       <div class="quickbuttons" style="margin-top: 5vh;">
         <a class="button accent" target="_blank" rel="noopener noreferrer" href="https://forge.techtransthai.org/techtransthai/public-floorplans">แปลนต้นทางสำหรับแผนที่ในอาคาร</a>
         <a class="button" target="_blank" rel="noopener noreferrer" href="https://www.openstreetmap.org">เปิดเว็บไซต์ OpenStreetMap</a>
-        <a class="button" target="_blank" rel="noopener noreferrer" href="https://matrix.to/#/#ttt-mapping:matrix.org">พูดคุยผ่าน Matrix</a>
       </div>
 
       <h3 style="margin-top: 5vh;">Satellite Imagery Tracing</h3>
diff --git a/content/foss4change/index.html b/content/foss4change/index.html
index cd8c824..abe7219 100644
--- a/content/foss4change/index.html
+++ b/content/foss4change/index.html
@@ -46,7 +46,6 @@
       <div class="quickbuttons" style="margin-top: 5vh;">
         <a class="button accent" target="_blank" rel="noopener noreferrer" href="https://video.techtransthai.org/c/foss4change">ดูบน TechTransThai Video</a>
         <a class="button" target="_blank" rel="noopener noreferrer" href="https://www.youtube.com/@FOSS4ChangeTH">ดูบน YouTube</a>
-        <a class="button" target="_blank" rel="noopener noreferrer" href="https://matrix.to/#/#ttt-f4c:matrix.org">พูดคุยบน Matrix</a>
       </div>
     
     </div>