diff --git a/configure/os/CONFIG.Common.win32-x86-cygwin b/configure/os/CONFIG.Common.win32-x86-cygwin
deleted file mode 100644
index 75594b26c..000000000
--- a/configure/os/CONFIG.Common.win32-x86-cygwin
+++ /dev/null
@@ -1,34 +0,0 @@
-# CONFIG.Common.win32-x86-cygwin
-#
-# $Id$
-# This file is maintained by the build community.
-#
-# Definitions for win32-x86-cygwin target builds
-# Sites may override these definitions in CONFIG_SITE.Common.win32-x86-cygwin
-#-------------------------------------------------------
-
-# Include definitions common to all Unix targets
-include $(CONFIG)/os/CONFIG.Common.UnixCommon
-
-OS_CLASS = cygwin32
-ARCH_CLASS = x86
-
-EXE=.exe
-
-COMPILER_CPPFLAGS = -D_REENTRANT
-
-#POSIX_CPPFLAGS_YES = -D_POSIX_SOURCE=199506L -D_POSIX_THREADS -D_POSIX_TIMERS
-# _POSIX_SOURCE eliminates select()
-POSIX_CPPFLAGS_YES = -D_POSIX_THREADS -D_POSIX_TIMERS
-#POSIX_LDLIBS_YES += -lpthread
-POSIX_LDLIBS_YES += -lpthread
-
-ARCH_DEP_CPPFLAGS += -D_X86_
-
-OP_SYS_CPPFLAGS += -DCYGWIN32 -U_WIN32
-
-# Set runtime path for shared libraries
-RUNTIME_LDFLAGS = $(SHRLIB_SEARCH_FULLPATHDIRS:%=-Wl,-rpath,%)
-
-LDLIBS_READLINE = -lcygreadline5 -lcygcurses7
-