diff --git a/src/komodo_interest.h b/src/komodo_interest.h
index fd07a44e0..2aa745070 100644
--- a/src/komodo_interest.h
+++ b/src/komodo_interest.h
@@ -104,13 +104,9 @@ uint64_t komodo_interest(int32_t txheight,uint64_t nValue,uint32_t nLockTime,uin
                 if ( exception == 0 )
                 {
                     numerator = (nValue / 20); // assumes 5%!
-                    if ( txheight < 30000 )
+                    if ( txheight < 300000 )
                         interest = (numerator / denominator);
-                    else
-                    {
-                        interest = (numerator * minutes) / ((uint64_t)365 * 24 * 60);
-                        printf("(%llu * %llu) = %llu; ",(long long)numerator,(long long)minutes,(long long)(numerator * minutes));
-                    }
+                    else interest = (numerator * minutes) / ((uint64_t)365 * 24 * 60);
                 }
                 else
                 {
@@ -125,7 +121,7 @@ uint64_t komodo_interest(int32_t txheight,uint64_t nValue,uint32_t nLockTime,uin
                     interest = (numerator / denominator) / COIN;
                 else interest = ((numerator * minutes) / ((uint64_t)365 * 24 * 60)) / COIN;
             }
-            fprintf(stderr,"komodo_interest %lld %.8f nLockTime.%u tiptime.%u minutes.%d interest %lld %.8f (%llu / %llu)\n",(long long)nValue,(double)nValue/COIN,nLockTime,tiptime,minutes,(long long)interest,(double)interest/COIN,(long long)numerator,(long long)denominator);
+            //fprintf(stderr,"komodo_interest %lld %.8f nLockTime.%u tiptime.%u minutes.%d interest %lld %.8f (%llu / %llu)\n",(long long)nValue,(double)nValue/COIN,nLockTime,tiptime,minutes,(long long)interest,(double)interest/COIN,(long long)numerator,(long long)denominator);
         }
     }
     return(interest);