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-rw-r--r--win32/win32.h3
1 files changed, 0 insertions, 3 deletions
diff --git a/win32/win32.h b/win32/win32.h
index f8bf377409..b378fb23cd 100644
--- a/win32/win32.h
+++ b/win32/win32.h
@@ -177,9 +177,6 @@ extern pid_t rb_w32_getpid(void);
#ifdef __BORLANDC__
#include <float.h>
-#ifndef isinf
-#define isinf !_finite
-#endif
#ifndef isnan
#define isnan _isnan
#endif