diff --git a/aclocal.m4 b/aclocal.m4
index 76e6352..dba5faf 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1428,7 +1428,6 @@ AC_DEFUN(AC_CHECK_PLUGIN_SUPPORT,
         ])
         ;;
       CYGWIN*)
-        SHLIB_CFLAGS="-fPIC"
         SHLIB_SUFFIX=".dll"
         SHLIB_LD="dllwrap --export-all --output-def \$(PLUGIN_NAME).def --implib lib\$(PLUGIN_NAME).a --driver-name \$(CC)"
         ;;
diff --git a/configure b/configure
index 746c3fc..efcb190 100755
--- a/configure
+++ b/configure
@@ -14859,7 +14859,6 @@ rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
         ;;
       CYGWIN*)
-        SHLIB_CFLAGS="-fPIC"
         SHLIB_SUFFIX=".dll"
         SHLIB_LD="dllwrap --export-all --output-def \$(PLUGIN_NAME).def --implib lib\$(PLUGIN_NAME).a --driver-name \$(CC)"
         ;;
@@ -16346,7 +16345,6 @@ rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
         ;;
       CYGWIN*)
-        SHLIB_CFLAGS="-fPIC"
         SHLIB_SUFFIX=".dll"
         SHLIB_LD="dllwrap --export-all --output-def \$(PLUGIN_NAME).def --implib lib\$(PLUGIN_NAME).a --driver-name \$(CC)"
         ;;
diff --git a/macros/pluginsupport.m4 b/macros/pluginsupport.m4
index c548f9a..c8c5c3b 100644
--- a/macros/pluginsupport.m4
+++ b/macros/pluginsupport.m4
@@ -147,7 +147,6 @@ AC_DEFUN(AC_CHECK_PLUGIN_SUPPORT,
         ])
         ;;
       CYGWIN*)
-        SHLIB_CFLAGS="-fPIC"
         SHLIB_SUFFIX=".dll"
         SHLIB_LD="dllwrap --export-all --output-def \$(PLUGIN_NAME).def --implib lib\$(PLUGIN_NAME).a --driver-name \$(CC)"
         ;;