diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/insulin/InsulinOrefBasePlugin.kt b/app/src/main/java/info/nightscout/androidaps/plugins/insulin/InsulinOrefBasePlugin.kt
index b074900398..1e90792d25 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/insulin/InsulinOrefBasePlugin.kt
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/insulin/InsulinOrefBasePlugin.kt
@@ -63,10 +63,6 @@ abstract class InsulinOrefBasePlugin(
             return profile?.dia ?: MIN_DIA
         }
 
-    fun iobCalcForTreatment(treatment: Treatment, time: Long): Iob {
-        return this.iobCalcForTreatment(treatment, time, 0.0)
-    }
-
     override fun iobCalcForTreatment(treatment: Treatment, time: Long, dia: Double): Iob {
         val result = Iob()
         val peak = peak
diff --git a/app/src/test/java/info/nightscout/androidaps/plugins/insulin/InsulinOrefBasePluginTest.kt b/app/src/test/java/info/nightscout/androidaps/plugins/insulin/InsulinOrefBasePluginTest.kt
index 8c94878dbb..6558ed80be 100644
--- a/app/src/test/java/info/nightscout/androidaps/plugins/insulin/InsulinOrefBasePluginTest.kt
+++ b/app/src/test/java/info/nightscout/androidaps/plugins/insulin/InsulinOrefBasePluginTest.kt
@@ -2,6 +2,7 @@ package info.nightscout.androidaps.plugins.insulin
 
 import dagger.android.AndroidInjector
 import dagger.android.HasAndroidInjector
+import info.nightscout.androidaps.Constants
 import info.nightscout.androidaps.data.Iob
 import info.nightscout.androidaps.interfaces.ActivePluginProvider
 import info.nightscout.androidaps.logging.AAPSLogger
@@ -108,22 +109,22 @@ class InsulinOrefBasePluginTest {
         // check directly after bolus
         treatment.date = time
         treatment.insulin = 10.0
-        Assert.assertEquals(10.0, sut.iobCalcForTreatment(treatment, time).iobContrib, 0.1)
+        Assert.assertEquals(10.0, sut.iobCalcForTreatment(treatment, time, Constants.defaultDIA).iobContrib, 0.1)
         // check after 1 hour
         treatment.date = time - 1 * 60 * 60 * 1000 // 1 hour
         treatment.insulin = 10.0
-        Assert.assertEquals(3.92, sut.iobCalcForTreatment(treatment, time).iobContrib, 0.1)
+        Assert.assertEquals(3.92, sut.iobCalcForTreatment(treatment, time, Constants.defaultDIA).iobContrib, 0.1)
         // check after 2 hour
         treatment.date = time - 2 * 60 * 60 * 1000 // 1 hour
         treatment.insulin = 10.0
-        Assert.assertEquals(0.77, sut.iobCalcForTreatment(treatment, time).iobContrib, 0.1)
+        Assert.assertEquals(0.77, sut.iobCalcForTreatment(treatment, time, Constants.defaultDIA).iobContrib, 0.1)
         // check after 3 hour
         treatment.date = time - 3 * 60 * 60 * 1000 // 1 hour
         treatment.insulin = 10.0
-        Assert.assertEquals(0.10, sut.iobCalcForTreatment(treatment, time).iobContrib, 0.1)
+        Assert.assertEquals(0.10, sut.iobCalcForTreatment(treatment, time, Constants.defaultDIA).iobContrib, 0.1)
         // check after dia
         treatment.date = time - 4 * 60 * 60 * 1000
         treatment.insulin = 10.0
-        Assert.assertEquals(0.0, sut.iobCalcForTreatment(treatment, time).iobContrib, 0.1)
+        Assert.assertEquals(0.0, sut.iobCalcForTreatment(treatment, time, Constants.defaultDIA).iobContrib, 0.1)
     }
 }
\ No newline at end of file