diff --git a/phys/module_sf_sfclay.F b/phys/module_sf_sfclay.F
index 2b3ba578f0..8cdaaa158c 100644
--- a/phys/module_sf_sfclay.F
+++ b/phys/module_sf_sfclay.F
@@ -892,7 +892,7 @@ SUBROUTINE SFCLAY1D(J,UX,VX,T1D,QV1D,P1D,dz8w1d,                &
 !                                                                               
       DO 370 I=its,ite
         QFX(I)=FLQC(I)*(QSFC(I)-QX(I))                                     
-        QFX(I)=AMAX1(QFX(I),0.)                                            
+!       QFX(I)=AMAX1(QFX(I),0.)                                            
         LH(I)=XLV*QFX(I)
   370 CONTINUE                                                                 
                                                                                 
@@ -910,7 +910,7 @@ SUBROUTINE SFCLAY1D(J,UX,VX,T1D,QV1D,P1D,dz8w1d,                &
 !         ENDIF
         ELSEIF(XLAND(I)-1.5.LT.0.)THEN                                       
           HFX(I)=FLHC(I)*(THGB(I)-THX(I))                                
-          HFX(I)=AMAX1(HFX(I),-250.)                                       
+!         HFX(I)=AMAX1(HFX(I),-250.)                                       
         ENDIF                                                                  
   400 CONTINUE                                                                 
 
diff --git a/phys/module_sf_sfclayrev.F b/phys/module_sf_sfclayrev.F
index 9f65730122..2a3ca5a01d 100644
--- a/phys/module_sf_sfclayrev.F
+++ b/phys/module_sf_sfclayrev.F
@@ -1041,7 +1041,7 @@ SUBROUTINE SFCLAYREV1D(J,UX,VX,T1D,QV1D,P1D,dz8w1d,                &
 
       DO 370 I=its,ite
         QFX(I)=FLQC(I)*(QSFC(I)-QX(I))                                     
-        QFX(I)=AMAX1(QFX(I),0.)                                            
+!       QFX(I)=AMAX1(QFX(I),0.)                                            
         LH(I)=XLV*QFX(I)
   370 CONTINUE                                                                 
                                                                                 
@@ -1059,7 +1059,7 @@ SUBROUTINE SFCLAYREV1D(J,UX,VX,T1D,QV1D,P1D,dz8w1d,                &
 !         ENDIF 
         ELSEIF(XLAND(I)-1.5.LT.0.)THEN                                       
           HFX(I)=FLHC(I)*(THGB(I)-THX(I))                                
-          HFX(I)=AMAX1(HFX(I),-250.)                                       
+!         HFX(I)=AMAX1(HFX(I),-250.)                                       
         ENDIF                                                                  
   400 CONTINUE