diff --git a/docs/en/hw-reference/index.rst b/docs/en/hw-reference/index.rst
index 6291efe12d..d8f196b74c 100644
--- a/docs/en/hw-reference/index.rst
+++ b/docs/en/hw-reference/index.rst
@@ -6,7 +6,7 @@ Hardware Reference
 .. toctree::
     :maxdepth: 1
 
-    :not esp32c2: Technical Reference Manual (PDF) <{IDF_TARGET_TRM_EN_URL}>
+    Technical Reference Manual (PDF) <{IDF_TARGET_TRM_EN_URL}>
     :esp32:   Chip Datasheet (PDF) <https://espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf>
     :esp32s2: Chip Datasheet (PDF) <https://espressif.com/sites/default/files/documentation/esp32-s2_datasheet_en.pdf>
     :esp32c3: Chip Datasheet (PDF) <https://espressif.com/sites/default/files/documentation/esp32-c3_datasheet_en.pdf>
diff --git a/docs/zh_CN/hw-reference/index.rst b/docs/zh_CN/hw-reference/index.rst
index 94a8195bbf..d6a1bd76dc 100644
--- a/docs/zh_CN/hw-reference/index.rst
+++ b/docs/zh_CN/hw-reference/index.rst
@@ -6,7 +6,7 @@ H/W 硬件参考
 .. toctree::
     :maxdepth: 1
 
-    :not esp32c2: 技术参考手册 (PDF) <{IDF_TARGET_TRM_CN_URL}>
+    技术参考手册 (PDF) <{IDF_TARGET_TRM_CN_URL}>
     :esp32:   技术规格书 (PDF) <https://espressif.com/sites/default/files/documentation/esp32_datasheet_cn.pdf>
     :esp32s2: 技术规格书 (PDF) <https://espressif.com/sites/default/files/documentation/esp32-s2_datasheet_cn.pdf>
     :esp32c3: 技术规格书 (PDF) <https://espressif.com/sites/default/files/documentation/esp32-c3_datasheet_cn.pdf>