diff --git a/Makefile.system b/Makefile.system
index b065f9a981..c40c1f2340 100644
--- a/Makefile.system
+++ b/Makefile.system
@@ -376,9 +376,6 @@ OBJCONV = $(CROSS_SUFFIX)objconv
 ifeq ($(NOFORTRAN), 1)
 C_LAPACK = 1
 override FEXTRALIB = 
-ifeq ($(C_COMPILER), GCC)
-CCOMMON_OPT += -Wno-error=incompatible-pointer-types
-endif
 endif
 
 ifeq ($(C_COMPILER), GCC)
diff --git a/ctest/c_zblat1c.c b/ctest/c_zblat1c.c
index f7c0515fc5..5629f8ca7d 100644
--- a/ctest/c_zblat1c.c
+++ b/ctest/c_zblat1c.c
@@ -380,7 +380,7 @@ static doublereal c_b43 = 1.;
     static integer i__;
     extern /* Subroutine */ int ctest_(integer*, doublecomplex*, doublecomplex*, doublecomplex*, doublereal*);
     static doublecomplex mwpcs[5], mwpct[5];
-    extern /* Subroutine */ int zscaltest_(integer*, doublereal*, doublecomplex*, integer*), itest1_(integer*, integer*), stest1_(doublereal*, doublereal*, doublereal*, doublereal*);
+    extern /* Subroutine */ int zscaltest_(integer*, doublecomplex*, doublecomplex*, integer*), itest1_(integer*, integer*), stest1_(doublereal*, doublereal*, doublereal*, doublereal*);
     static doublecomplex cx[8];
     extern doublereal dznrm2test_(integer*, doublecomplex*, integer*);
     static integer np1;
@@ -595,7 +595,7 @@ static doublereal c_b43 = 1.;
     static integer ki;
     extern /* Subroutine */ int zdotutest_(integer*, doublecomplex*, integer*, doublecomplex*, integer*, doublecomplex*), zswaptest_(integer*, doublecomplex*, integer*, doublecomplex*, integer*);
     static integer kn;
-    extern /* Subroutine */ int zaxpytest_(integer*, doublereal*, doublecomplex*, integer*, doublecomplex*, integer*);
+    extern /* Subroutine */ int zaxpytest_(integer*, doublecomplex*, doublecomplex*, integer*, doublecomplex*, integer*);
     static doublecomplex cx[7], cy[7];
     static integer mx, my;