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-rw-r--r--os/common/oslib/include/chmboxes.h4
1 files changed, 0 insertions, 4 deletions
diff --git a/os/common/oslib/include/chmboxes.h b/os/common/oslib/include/chmboxes.h
index 8b4498e3d..fcb3225bc 100644
--- a/os/common/oslib/include/chmboxes.h
+++ b/os/common/oslib/include/chmboxes.h
@@ -42,10 +42,6 @@
/* Derived constants and error checks. */
/*===========================================================================*/
-#if CH_CFG_USE_SEMAPHORES == FALSE
-#error "CH_CFG_USE_MAILBOXES requires CH_CFG_USE_SEMAPHORES"
-#endif
-
/*===========================================================================*/
/* Module data structures and types. */
/*===========================================================================*/