diff --git a/modules/cas_cache/service_ui_ioctl.c b/modules/cas_cache/service_ui_ioctl.c
index f91d240..2fc0246 100644
--- a/modules/cas_cache/service_ui_ioctl.c
+++ b/modules/cas_cache/service_ui_ioctl.c
@@ -132,6 +132,16 @@ long cas_service_ioctl_ctrl(struct file *filp, unsigned int cmd,
 		RETURN_CMD_RESULT(cmd_info, arg, retval);
 	}
 
+	case KCAS_IOCTL_REMOVE_INACTIVE: {
+		struct kcas_remove_inactive *cmd_info;
+
+		GET_CMD_INFO(cmd_info, arg);
+
+		retval = cache_mngt_remove_inactive_core(cmd_info);
+
+		RETURN_CMD_RESULT(cmd_info, arg, retval);
+	}
+
 	case KCAS_IOCTL_RESET_STATS: {
 		struct kcas_reset_stats *cmd_info;
 		char cache_name[OCF_CACHE_NAME_SIZE];
diff --git a/modules/include/cas_ioctl_codes.h b/modules/include/cas_ioctl_codes.h
index 4b98ceb..4ef1358 100644
--- a/modules/include/cas_ioctl_codes.h
+++ b/modules/include/cas_ioctl_codes.h
@@ -123,6 +123,13 @@ struct kcas_remove_core {
 	int ext_err_code;
 };
 
+struct kcas_remove_inactive {
+	uint16_t cache_id; /**< id of an running cache */
+	uint16_t core_id; /**< id core object to be removed */
+
+	int ext_err_code;
+};
+
 struct kcas_reset_stats {
 	uint16_t cache_id; /**< id of an running cache */
 	uint16_t core_id; /**< id core object to be removed */
@@ -419,6 +426,7 @@ struct kcas_get_cache_param {
  *    34    *    KCAS_IOCTL_GET_STATS                       *    OK            *
  *    35    *    KCAS_IOCTL_PURGE_CACHE                     *    OK            *
  *    36    *    KCAS_IOCTL_PURGE_CORE                      *    OK            *
+ *    37    *    KCAS_IOCTL_REMOVE_INACTIVE                 *    OK            *
  *******************************************************************************
  */
 
@@ -517,6 +525,9 @@ struct kcas_get_cache_param {
  * and invalidate all valid cache lines associated with given core. */
 #define KCAS_IOCTL_PURGE_CORE _IOWR(KCAS_IOCTL_MAGIC, 36, struct kcas_flush_core)
 
+/** Remove inactive core object from an running cache instance */
+#define KCAS_IOCTL_REMOVE_INACTIVE _IOR(KCAS_IOCTL_MAGIC, 37, struct kcas_remove_inactive)
+
 /**
  * Extended kernel CAS error codes
  */