diff --git a/lib/CalypFrame.cpp b/lib/CalypFrame.cpp
index 698931a..71dd06d 100644
--- a/lib/CalypFrame.cpp
+++ b/lib/CalypFrame.cpp
@@ -28,7 +28,6 @@
 #include <cmath>
 #include <cstdint>
 #include <memory>
-#include <span>
 #include <vector>
 
 #include "LibMemory.h"
diff --git a/lib/CalypFrame.h b/lib/CalypFrame.h
index 3ef7ede..8f5f58c 100644
--- a/lib/CalypFrame.h
+++ b/lib/CalypFrame.h
@@ -26,7 +26,6 @@
 #ifndef __CALYPFRAME_H__
 #define __CALYPFRAME_H__
 
-#include <span>
 #include <vector>
 
 #include "CalypDefs.h"