diff --git a/dom/bluetooth/BluetoothService.cpp b/dom/bluetooth/BluetoothService.cpp
index c2ff5fd2953..6155de6d7f9 100644
--- a/dom/bluetooth/BluetoothService.cpp
+++ b/dom/bluetooth/BluetoothService.cpp
@@ -233,12 +233,6 @@ RemoveObserversExceptBluetoothManager
   return PL_DHASH_NEXT;
 }
 
-void
-BluetoothService::RemoveObserverFromTable(const nsAString& key)
-{
-  mBluetoothSignalObserverTable.Remove(key);
-}
-
 // static
 BluetoothService*
 BluetoothService::Create()
diff --git a/dom/bluetooth/BluetoothService.h b/dom/bluetooth/BluetoothService.h
index 534a65a7887..4800bf904c8 100644
--- a/dom/bluetooth/BluetoothService.h
+++ b/dom/bluetooth/BluetoothService.h
@@ -308,9 +308,6 @@ public:
   bool
   IsToggling() const;
 
-  void
-  RemoveObserverFromTable(const nsAString& key);
-
   /**
    * Below 2 function/variable are used for ensuring event 'AdapterAdded' will
    * be fired after event 'Enabled'.
diff --git a/dom/bluetooth2/BluetoothService.cpp b/dom/bluetooth2/BluetoothService.cpp
index c2ff5fd2953..6155de6d7f9 100644
--- a/dom/bluetooth2/BluetoothService.cpp
+++ b/dom/bluetooth2/BluetoothService.cpp
@@ -233,12 +233,6 @@ RemoveObserversExceptBluetoothManager
   return PL_DHASH_NEXT;
 }
 
-void
-BluetoothService::RemoveObserverFromTable(const nsAString& key)
-{
-  mBluetoothSignalObserverTable.Remove(key);
-}
-
 // static
 BluetoothService*
 BluetoothService::Create()
diff --git a/dom/bluetooth2/BluetoothService.h b/dom/bluetooth2/BluetoothService.h
index 534a65a7887..4800bf904c8 100644
--- a/dom/bluetooth2/BluetoothService.h
+++ b/dom/bluetooth2/BluetoothService.h
@@ -308,9 +308,6 @@ public:
   bool
   IsToggling() const;
 
-  void
-  RemoveObserverFromTable(const nsAString& key);
-
   /**
    * Below 2 function/variable are used for ensuring event 'AdapterAdded' will
    * be fired after event 'Enabled'.