diff --git a/tests/io_mock.h b/tests/io_mock.h
index a36602a44..9e92a9d3e 100644
--- a/tests/io_mock.h
+++ b/tests/io_mock.h
@@ -34,11 +34,9 @@
 /* Required for `FILE *` */
 #include <stdio.h>
 
-/*
- * Explicitly including the header because some tests are using libusb structs
- * in depth, opaque symbols are not sufficient.
- */
-#include <libusb.h>
+#include <stdint.h>
+
+#include "usb_unittests.h"
 
 /* Address value needs fit into uint8_t. */
 #define USB_DEVICE_ADDRESS 19
diff --git a/tests/libusb_wraps.h b/tests/libusb_wraps.h
index b10b8c0cb..e42c5384b 100644
--- a/tests/libusb_wraps.h
+++ b/tests/libusb_wraps.h
@@ -16,7 +16,7 @@
 #ifndef LIBUSB_WRAPS_H
 #define LIBUSB_WRAPS_H
 
-#include <libusb.h>
+#include "usb_unittests.h"
 
 void *__wrap_usb_dev_get_by_vid_pid_number(
 		libusb_context *usb_ctx, uint16_t vid, uint16_t pid, unsigned int num);
diff --git a/tests/usb_unittests.h b/tests/usb_unittests.h
new file mode 100644
index 000000000..29c4b78d3
--- /dev/null
+++ b/tests/usb_unittests.h
@@ -0,0 +1,60 @@
+/*
+ * This file is part of the flashrom project.
+ *
+ * Copyright 2022 Google LLC
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/*
+ * This header provides a temporary solution to unblock build system
+ * work. The main goal is to remove unconditional dependency on libusb
+ * for unit tests. The dependency is still present, but now it is present
+ * only when it is needed and only when the header is present in the env.
+ *
+ * The contents of the file will be modified in a very near future.
+ */
+
+#ifndef _USB_UNITTESTS_H_
+#define _USB_UNITTESTS_H_
+
+#if CONFIG_RAIDEN_DEBUG_SPI == 1 || CONFIG_DEDIPROG == 1
+
+#include <libusb.h>
+
+#else
+
+struct libusb_context;
+typedef struct libusb_context libusb_context;
+
+struct libusb_device_handle;
+typedef struct libusb_device_handle libusb_device_handle;
+
+struct libusb_device_descriptor;
+typedef struct libusb_device_descriptor libusb_device_descriptor;
+
+struct libusb_device;
+typedef struct libusb_device libusb_device;
+
+struct libusb_config_descriptor;
+typedef struct libusb_config_descriptor libusb_config_descriptor;
+
+struct libusb_interface;
+typedef struct libusb_interface libusb_interface;
+
+struct libusb_interface_descriptor;
+typedef struct libusb_interface_descriptor libusb_interface_descriptor;
+
+struct libusb_endpoint_descriptor;
+typedef struct libusb_endpoint_descriptor libusb_endpoint_descriptor;
+
+#endif
+
+#endif /* _USB_UNITTESTS_H_ */