diff --git a/src/breeding-insight/model/Scale.ts b/src/breeding-insight/model/Scale.ts
index 0b726a421..94169fc44 100644
--- a/src/breeding-insight/model/Scale.ts
+++ b/src/breeding-insight/model/Scale.ts
@@ -19,7 +19,6 @@ import {Category} from "@/breeding-insight/model/Category";
 
 export enum DataType {
   Date = "Date",
-  Duration = "Duration",
   Nominal = "Nominal",
   Numerical = "Numerical",
   Ordinal = "Ordinal",
diff --git a/src/components/ontology/OntologyTable.vue b/src/components/ontology/OntologyTable.vue
index 6c90981de..35a11954a 100644
--- a/src/components/ontology/OntologyTable.vue
+++ b/src/components/ontology/OntologyTable.vue
@@ -132,7 +132,7 @@
           {{ StringFormatters.toStartCase(data.traitDescription) }}
         </TableColumn>
         <TableColumn name="method" v-bind:label="'Method'" v-bind:visible="!traitSidePanelState.collapseColumns">
-          {{ data.method.description + " " + StringFormatters.toStartCase(data.method.methodClass) }}
+          {{ (data.method.description ? data.method.description : "") + " " + StringFormatters.toStartCase(data.method.methodClass) }}
         </TableColumn>
         <TableColumn name="scaleClass" v-bind:label="'Scale Class'" v-bind:visible="!traitSidePanelState.collapseColumns">
           {{ TraitStringFormatters.getScaleTypeString(data.scale) }}
@@ -471,9 +471,6 @@ export default class OntologyTable extends Vue {
     } else if (Scale.dataTypeEquals(trait.scale!.dataType!, DataType.Numerical)) {
       // Rename scale name to unit
       handler.overrideMessage(0, 'scale.scaleName', 'Missing unit', 400);
-    } else if (Scale.dataTypeEquals(trait.scale!.dataType!, DataType.Duration)) {
-      // Rename scale name to unit of time
-      handler.overrideMessage(0, 'scale.scaleName', 'Missing unit of time', 400);
     }
     return deletions;
   }
diff --git a/src/components/trait/TraitDetailPanel.vue b/src/components/trait/TraitDetailPanel.vue
index 09b6ff0e1..03aeac707 100644
--- a/src/components/trait/TraitDetailPanel.vue
+++ b/src/components/trait/TraitDetailPanel.vue
@@ -54,12 +54,12 @@
             <span class="is-size-7 ml-2">{{data.entity}} {{data.attribute | capitalize}}</span>
           </div>
         </template>
-        <template v-if="data.method && data.method.description && data.method.methodClass">
+        <template v-if="data.method && data.method.methodClass">
           <div class="column is-half p-0">
             <span class="is-pulled-right has-text-weight-bold mr-2">Method</span>
           </div>
           <div class="column is-half p-0">
-            <span class="is-size-7 ml-2">{{ data.method.description | capitalize }} {{data.method.methodClass}}</span>
+            <span class="is-size-7 ml-2">{{(data.method.description ? StringFormatters.toStartCase(data.method.description) : "") }} {{ data.method.methodClass }}</span>
           </div>
         </template>
         <template v-if="data.scale && data.scale.dataType">
@@ -110,28 +110,6 @@
           </div>
         </template>
 
-<!--        If duration scale class then show units and range-->
-        <template v-if="Scale.dataTypeEquals(scaleType, DataType.Duration)">
-          <div class="column is-half p-0">
-            <span class="is-pulled-right mr-2">Unit of Time</span>
-          </div>
-          <div class="column is-half p-0">
-            <span class="is-size-7 ml-2">{{valueOrNA(data.scale.scaleName)}}</span>
-          </div>
-          <div class="column is-half p-0">
-            <span class="is-pulled-right mr-2">Minimum valid value</span>
-          </div>
-          <div class="column is-half p-0">
-            <span class="is-size-7 ml-2">{{valueOrNA(data.scale.validValueMin)}}</span>
-          </div>
-          <div class="column is-half p-0">
-            <span class="is-pulled-right mr-2">Maximum valid value</span>
-          </div>
-          <div class="column is-half p-0">
-            <span class="is-size-7 ml-2">{{valueOrNA(data.scale.validValueMax)}}</span>
-          </div>
-        </template>
-
 <!--        nothing to show for date class now-->
         <template v-if="scaleType && Scale.dataTypeEquals(scaleType, DataType.Date)">
         </template>
@@ -241,7 +219,7 @@
 
   @Component({
     components: {EditDataForm, SidePanel, BaseTraitForm, HelpCircleIcon, ProgressBar},
-    data: () => ({DataType, MethodClass, Scale, Method}),
+    data: () => ({DataType, MethodClass, Scale, Method, StringFormatters}),
     filters: {
       capitalize: function(value: string | undefined) : string | undefined {
         if (value === undefined) value = '';
diff --git a/src/components/trait/TraitListsTable.vue b/src/components/trait/TraitListsTable.vue
index c8a02bb9e..33a26f5ac 100644
--- a/src/components/trait/TraitListsTable.vue
+++ b/src/components/trait/TraitListsTable.vue
@@ -139,7 +139,7 @@
           {{ StringFormatters.toStartCase(data.traitDescription) }}
         </TableColumn>
         <TableColumn name="method" v-bind:label="'Method'" v-bind:visible="!traitSidePanelState.collapseColumns">
-          {{ data.method.description + " " + StringFormatters.toStartCase(data.method.methodClass) }}
+          {{ (data.method.description ? data.method.description : "") + " " + StringFormatters.toStartCase(data.method.methodClass) }}
         </TableColumn>
         <TableColumn name="scaleClass" v-bind:label="'Scale Class'" v-bind:visible="!traitSidePanelState.collapseColumns">
           {{ TraitStringFormatters.getScaleTypeString(data.scale) }}
@@ -446,9 +446,6 @@ export default class TraitTable extends Vue {
     } else if (Scale.dataTypeEquals(trait.scale!.dataType!, DataType.Numerical)) {
       // Rename scale name to unit
       handler.overrideMessage(0, 'scale.scaleName', 'Missing unit', 400);
-    } else if (Scale.dataTypeEquals(trait.scale!.dataType!, DataType.Duration)) {
-      // Rename scale name to unit of time
-      handler.overrideMessage(0, 'scale.scaleName', 'Missing unit of time', 400);
     }
     return deletions;
   }
diff --git a/src/components/trait/TraitsImportTable.vue b/src/components/trait/TraitsImportTable.vue
index e78429aff..e0f24f2df 100644
--- a/src/components/trait/TraitsImportTable.vue
+++ b/src/components/trait/TraitsImportTable.vue
@@ -49,7 +49,7 @@
           {{ StringFormatters.toStartCase(data.traitDescription) }}
         </TableColumn>
         <TableColumn name="method" v-bind:label="'Method'" v-bind:visible="!collapseColumns">
-          {{ data.method.description + " " + StringFormatters.toStartCase(data.method.methodClass) }}
+          {{ (data.method.description ? data.method.description : "") + " " + StringFormatters.toStartCase(data.method.methodClass) }}
         </TableColumn>
         <TableColumn name="scaleClass" v-bind:label="'Scale Class'" v-bind:visible="!collapseColumns">
           {{ TraitStringFormatters.getScaleTypeString(data.scale) }}
diff --git a/src/components/trait/forms/BaseTraitForm.vue b/src/components/trait/forms/BaseTraitForm.vue
index 980e8a2f4..e89f04c52 100644
--- a/src/components/trait/forms/BaseTraitForm.vue
+++ b/src/components/trait/forms/BaseTraitForm.vue
@@ -130,7 +130,7 @@
       <span class="has-text-weight-bold">Method = Description + Class {{ methodName }}</span>
     </div>
     <div class="column is-2">
-      <span class="is-pulled-right required new-term pb-2 pr-3">Description</span>
+      <span class="is-pulled-right new-term pb-2 pr-3">Description</span>
     </div>
     <div class="column new-term is-10">
       <AutoCompleteField
@@ -235,24 +235,6 @@
       </div>
     </template>
 
-<!--    duration options-->
-    <template v-if="trait.scale && Scale.dataTypeEquals(trait.scale.dataType, DataType.Duration)">
-      <div class="column is-full">
-        <DurationTraitForm
-            class="p-0"
-            v-bind:unit="trait.scale.scaleName"
-            v-bind:valid-min="trait.scale.validValueMin"
-            v-bind:valid-max="trait.scale.validValueMax"
-            v-on:unit-change="trait.scale.scaleName = $event"
-            v-on:min-change="trait.scale.validValueMin = $event"
-            v-on:max-change="trait.scale.validValueMax = $event"
-            v-bind:client-validations="clientValidations"
-            v-bind:validation-handler="validationHandler"
-            v-bind:validation-index="0"
-        />
-      </div>
-    </template>
-
 <!--    numerical options-->
     <template v-if="trait.scale && Scale.dataTypeEquals(trait.scale.dataType, DataType.Numerical)">
       <div class="column is-full">
@@ -472,7 +454,7 @@ export default class BaseTraitForm extends Vue {
       this.trait.scale.dataType = value;
 
       // Allow for units in the numerical and duration traits
-      if (Scale.dataTypeEquals(value, DataType.Numerical) || Scale.dataTypeEquals(value, DataType.Duration)) {
+      if (Scale.dataTypeEquals(value, DataType.Numerical)) {
         this.trait!.scale!.scaleName = undefined;
 
       } else {
diff --git a/src/components/trials/forms/BaseStudyForm.vue b/src/components/trials/forms/BaseStudyForm.vue
index 7ef8d3bad..15a65e5b2 100644
--- a/src/components/trials/forms/BaseStudyForm.vue
+++ b/src/components/trials/forms/BaseStudyForm.vue
@@ -78,18 +78,6 @@
       <template v-if="trait.scale && Scale.dataTypeEquals(trait.scale.dataType, DataType.Date)">
         <DateTraitForm />
       </template>
-      <template v-if="trait.scale && Scale.dataTypeEquals(trait.scale.dataType, DataType.Duration)">
-        <DurationTraitForm
-            v-bind:unit="trait.scale.scaleName"
-            v-bind:valid-min="trait.scale.validValueMin"
-            v-bind:valid-max="trait.scale.validValueMax"
-            v-on:unit-change="trait.scale.scaleName = $event"
-            v-on:min-change="trait.scale.validValueMin = $event"
-            v-on:max-change="trait.scale.validValueMax = $event"
-            v-bind:validation-handler="validationHandler"
-            v-bind:validation-index="0"
-        />
-      </template>
       <template v-if="trait.scale && Scale.dataTypeEquals(trait.scale.dataType, DataType.Numerical)">
         <NumericalTraitForm
           v-bind:unit="trait.scale.scaleName"
@@ -265,7 +253,7 @@ export default class BaseTraitForm extends Vue {
       this.trait.scale.dataType = value;
 
       // Allow for units in the numerical and duration traits
-      if (Scale.dataTypeEquals(value, DataType.Numerical) || Scale.dataTypeEquals(value, DataType.Duration)) {
+      if (Scale.dataTypeEquals(value, DataType.Numerical)) {
         this.trait!.scale!.scaleName = undefined;
       } else {
         this.trait!.scale!.scaleName = value;