diff --git a/configure.ac b/configure.ac
index 8914bbc336da4a18f124c9dfe6ea8b129839b26c..a1661644a11d0d953553c506d6d5bdb3a7107fff 100644
--- a/configure.ac
+++ b/configure.ac
@@ -280,24 +280,16 @@ if test -n "${F77}"; then
     AC_F77_WRAPPERS
     AC_F77_FUNC([dnrm2],[DNRM2_F77_FUNC])
     AC_F77_FUNC([daxpy],[DAXPY_F77_FUNC])
-    AC_F77_FUNC([dexpy],[DEXPY_F77_FUNC])
-    AC_F77_FUNC([dmxpy],[DMXPY_F77_FUNC])
     AC_F77_FUNC([dcopy],[DCOPY_F77_FUNC])
     AC_F77_FUNC([ddot],[DDOT_F77_FUNC])
     AC_F77_FUNC([dscal],[DSCAL_F77_FUNC])
     AC_F77_FUNC([dswap],[DSWAP_F77_FUNC])
-    AC_F77_FUNC([dxpay],[DXPAY_F77_FUNC])
-    AC_F77_FUNC([drandn],[DRANDN_F77_FUNC])
     AC_SUBST([DNRM2_F77_FUNC])
     AC_SUBST([DAXPY_F77_FUNC])
-    AC_SUBST([DEXPY_F77_FUNC])
-    AC_SUBST([DMXPY_F77_FUNC])
     AC_SUBST([DCOPY_F77_FUNC])
     AC_SUBST([DDOT_F77_FUNC])
     AC_SUBST([DSCAL_F77_FUNC])
     AC_SUBST([DSWAP_F77_FUNC])
-    AC_SUBST([DXPAY_F77_FUNC])
-    AC_SUBST([DRANDN_F77_FUNC])
     AC_F77_FUNC([gpskca],[GPSKCA_F77_FUNC])
 else
     with_gpskca=no