diff --git a/src/komodo_interest.h b/src/komodo_interest.h
index 1e67756f5..551a31ec4 100644
--- a/src/komodo_interest.h
+++ b/src/komodo_interest.h
@@ -99,7 +99,6 @@ uint64_t komodo_interest(int32_t txheight,uint64_t nValue,uint32_t nLockTime,uin
                     if ( exception == 0 || nValue == 4000000000000LL )
                         printf(">>>>>>>>>>>> exception.%d txheight.%d %.8f locktime %u vs tiptime %u <<<<<<<<<\n",exception,txheight,(double)nValue/COIN,nLockTime,tiptime);
                 }
-                
                 //if ( nValue == 4000000000000LL )
                 //    printf(">>>>>>>>>>>> exception.%d txheight.%d %.8f locktime %u vs tiptime %u <<<<<<<<<\n",exception,txheight,(double)nValue/COIN,nLockTime,tiptime);
                 if ( exception == 0 )
@@ -107,11 +106,7 @@ uint64_t komodo_interest(int32_t txheight,uint64_t nValue,uint32_t nLockTime,uin
                     numerator = (nValue / 20); // assumes 5%!
                     if ( txheight < 30000 )
                         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
                 {
@@ -126,7 +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);