diff --git a/usb/usb_host_cdc_acm/idf_component.yml b/usb/usb_host_cdc_acm/idf_component.yml
index fc7a717..9a3469b 100644
--- a/usb/usb_host_cdc_acm/idf_component.yml
+++ b/usb/usb_host_cdc_acm/idf_component.yml
@@ -1,4 +1,4 @@
-version: "1.0.3"
+version: "1.0.4"
 description: USB Host CDC-ACM driver
 url: https://github.com/espressif/idf-extra-components/tree/master/usb/usb_host_cdc_acm
 dependencies:
diff --git a/usb/usb_host_cdc_acm/include/usb/cdc_acm_host.h b/usb/usb_host_cdc_acm/include/usb/cdc_acm_host.h
index d1169e9..f947944 100644
--- a/usb/usb_host_cdc_acm/include/usb/cdc_acm_host.h
+++ b/usb/usb_host_cdc_acm/include/usb/cdc_acm_host.h
@@ -333,7 +333,6 @@ public:
     }
 
 private:
-    CdcAcmDevice(const CdcAcmDevice &Copy);
     CdcAcmDevice &operator= (const CdcAcmDevice &Copy);
     bool operator== (const CdcAcmDevice &param) const;
     bool operator!= (const CdcAcmDevice &param) const;