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-rw-r--r--src/nvim/os/os_defs.h3
1 files changed, 0 insertions, 3 deletions
diff --git a/src/nvim/os/os_defs.h b/src/nvim/os/os_defs.h
index f0f74857e0..3d56115401 100644
--- a/src/nvim/os/os_defs.h
+++ b/src/nvim/os/os_defs.h
@@ -103,9 +103,6 @@
# include <strings.h>
#endif
-// For dup(3).
-#define HAVE_DUP
-
/// Function to convert -errno error to char * error description
///
/// -errno errors are returned by a number of os functions.