diff --git a/addons/explosives/CfgAmmo.hpp b/addons/explosives/CfgAmmo.hpp
index 607a994bc87..64e013515cf 100644
--- a/addons/explosives/CfgAmmo.hpp
+++ b/addons/explosives/CfgAmmo.hpp
@@ -191,7 +191,6 @@ class CfgAmmo {
         GVAR(size) = 0;
         GVAR(defuseObjectPosition)[] = {0, 0, 0.15};
     };
-    class MineBase;
     class UnderwaterMine_Range_Ammo: MineBase {
         GVAR(size) = 1;
     };