diff --git a/include/sds011read.h b/include/sds011read.h
deleted file mode 100644
index 734395a7..00000000
--- a/include/sds011read.h
+++ /dev/null
@@ -1,15 +0,0 @@
-#ifndef _SDS011READ_H
-#define _SDS011READ_H
-
-#include <SDS011.h>
-
-// used pins on the ESP-side:
-#define ESP_PIN_TX 19     // connect to RX on the SDS011
-#define ESP_PIN_RX 23     // connect to TX on the SDS011
-
-#define SDCARD_FILE_HEADER_SDS011     ", PM10,PM25"
-
-bool sds011_init();
-void sds011_loop();
-
-#endif // _SDS011READ_H