diff --git a/src/sinqAxis.h b/src/sinqAxis.h
index b827dc7..0ca0207 100644
--- a/src/sinqAxis.h
+++ b/src/sinqAxis.h
@@ -32,6 +32,13 @@ class HIDDEN sinqAxis : public asynMotorAxis {
      */
     ~sinqAxis();
 
+    /**
+     * @brief Delete the copy and copy assignment constructors, because this
+     * class should not be copied (it is tied to hardware!)
+     */
+    sinqAxis(const sinqAxis &) = delete;
+    sinqAxis &operator=(const sinqAxis &) = delete;
+
     /**
      * @brief Check if a poll should be performed. If yes, call `forcedPoll`.
      *
diff --git a/src/sinqController.h b/src/sinqController.h
index 91ed426..ba44f5c 100644
--- a/src/sinqController.h
+++ b/src/sinqController.h
@@ -58,6 +58,13 @@ class HIDDEN sinqController : public asynMotorController {
      */
     virtual ~sinqController(void);
 
+    /**
+     * @brief Delete the copy and copy assignment constructors, because this
+     * class should not be copied (it is tied to hardware!)
+     */
+    sinqController(const sinqController &) = delete;
+    sinqController &operator=(const sinqController &) = delete;
+
     /**
      * @brief Overloaded function of asynMotorController
      *