diff --git a/config/pgi-fflags b/config/pgi-fflags
index 7f4ed4d53f..6cb893085d 100644
--- a/config/pgi-fflags
+++ b/config/pgi-fflags
@@ -86,7 +86,7 @@ if test "X-pgf90" = "X-$f9x_vendor"; then
     PROD_FCFLAGS="-fast -s -Mnoframe"
 
     # Debug
-    DEBUG_FCFLAGS="-g -Mbounds -Mchkfpstk -Mchkptr -Mdclchk"
+    DEBUG_FCFLAGS="-g -Mbounds -Mchkptr -Mdclchk"
 
     # Profile
     PROFILE_FCFLAGS="-g -Mprof=func,line"
diff --git a/config/pgi-flags b/config/pgi-flags
index 3d481bdc0b..29e6f0540f 100644
--- a/config/pgi-flags
+++ b/config/pgi-flags
@@ -87,7 +87,7 @@ if test "X-pgcc" = "X-$cc_vendor"; then
     PROD_CPPFLAGS=
 
     # Debug
-    DEBUG_CFLAGS="-g -Mbounds -Mchkfpstk"
+    DEBUG_CFLAGS="-g -Mbounds"
     DEBUG_CPPFLAGS=
 
     # Profile