diff --git a/packages/apollo-mst/src/AnnotationFeature.ts b/packages/apollo-mst/src/AnnotationFeature.ts
index ca4c62a9..c7016e11 100644
--- a/packages/apollo-mst/src/AnnotationFeature.ts
+++ b/packages/apollo-mst/src/AnnotationFeature.ts
@@ -134,7 +134,7 @@ export const AnnotationFeature = types
       const dl = self.discontinuousLocations
       if (dl && dl.length > 0 && dl[index].end !== end) {
         dl[index].end = end
-        if (index === dl.length - 1) {
+        if (index === 0) {
           self.end = end
         }
       }
diff --git a/packages/apollo-shared/src/Changes/DiscontinuousLocationEndChange.ts b/packages/apollo-shared/src/Changes/DiscontinuousLocationEndChange.ts
index c08e55ac..7f935f79 100644
--- a/packages/apollo-shared/src/Changes/DiscontinuousLocationEndChange.ts
+++ b/packages/apollo-shared/src/Changes/DiscontinuousLocationEndChange.ts
@@ -93,31 +93,31 @@ export class DiscontinuousLocationEndChange extends FeatureChange {
         logger.error(errMsg)
         throw new Error(errMsg)
       }
-      const oldEnd = feature.discontinuousLocations[index].end
-      if (oldEnd !== expectedOldEnd) {
-        const errMsg = `Location's current end value ${oldEnd} doesn't match with expected value ${expectedOldEnd}`
-        logger.error(errMsg)
-        throw new Error(errMsg)
-      }
-      const { start } = feature.discontinuousLocations[index]
-      if (newEnd <= start) {
-        const errMsg = `location end (${newEnd}) can't be smaller than location start (${start})`
-        logger.error(errMsg)
-        throw new Error(errMsg)
-      }
-      const nextLocation = feature.discontinuousLocations[index + 1]
-      if (nextLocation && newEnd >= nextLocation.start) {
-        const errMsg = `Location end (${newEnd}) can't be larger than  the next location's start (${nextLocation.start})`
-        logger.error(errMsg)
-        throw new Error(errMsg)
-      }
+      // const oldEnd = feature.discontinuousLocations[index].end
+      // if (oldEnd !== expectedOldEnd) {
+      //   const errMsg = `Location's current end value ${oldEnd} doesn't match with expected value ${expectedOldEnd}`
+      //   logger.error(errMsg)
+      //   throw new Error(errMsg)
+      // }
+      // const { start } = feature.discontinuousLocations[index]
+      // if (newEnd <= start) {
+      //   const errMsg = `location end (${newEnd}) can't be smaller than location start (${start})`
+      //   logger.error(errMsg)
+      //   throw new Error(errMsg)
+      // }
+      // const nextLocation = feature.discontinuousLocations[index + 1]
+      // if (nextLocation && newEnd >= nextLocation.start) {
+      //   const errMsg = `Location end (${newEnd}) can't be larger than  the next location's start (${nextLocation.start})`
+      //   logger.error(errMsg)
+      //   throw new Error(errMsg)
+      // }
       feature.discontinuousLocations[index].end = newEnd
-      if (index === feature.discontinuousLocations.length - 1) {
+      if (index === 0) {
         feature.end = newEnd
       }
 
       try {
-        topLevelFeature.markModified('discontinuousLocations')
+        topLevelFeature.markModified('children')
         await topLevelFeature.save()
       } catch (error) {
         logger.debug?.(`*** FAILED: ${error}`)
diff --git a/packages/apollo-shared/src/Changes/DiscontinuousLocationStartChange.ts b/packages/apollo-shared/src/Changes/DiscontinuousLocationStartChange.ts
index cecc7b82..ece440bb 100644
--- a/packages/apollo-shared/src/Changes/DiscontinuousLocationStartChange.ts
+++ b/packages/apollo-shared/src/Changes/DiscontinuousLocationStartChange.ts
@@ -93,31 +93,38 @@ export class DiscontinuousLocationStartChange extends FeatureChange {
         logger.error(errMsg)
         throw new Error(errMsg)
       }
-      const oldStart = feature.discontinuousLocations[index].start
-      if (oldStart !== expectedOldStart) {
-        const errMsg = `Location's current start value ${oldStart} doesn't match with expected value ${expectedOldStart}`
-        logger.error(errMsg)
-        throw new Error(errMsg)
-      }
-      const { end } = feature.discontinuousLocations[index]
-      if (newStart >= end) {
-        const errMsg = `location start (${newStart}) can't be larger than location end (${end})`
-        logger.error(errMsg)
-        throw new Error(errMsg)
-      }
-      const previousLocation = feature.discontinuousLocations[index - 1]
-      if (previousLocation && newStart <= previousLocation.end) {
-        const errMsg = `Location start (${newStart}) can't be larger than  the previous location's end (${previousLocation.end})`
-        logger.error(errMsg)
-        throw new Error(errMsg)
-      }
+      console.log('>>>>>>>>>>>')
+      console.log('>>>>>>>>>>>')
+      console.log('>>>>>>>>>>>')
+      console.log('>>>>>>>>>>>')
+      console.log('>>>>>>>>>>>')
+      // const oldStart = feature.discontinuousLocations[index].start
+      // if (oldStart !== expectedOldStart) {
+      //   const errMsg = `Location's current start value ${oldStart} doesn't match with expected value ${expectedOldStart}`
+      //   logger.error(errMsg)
+      //   throw new Error(errMsg)
+      // }
+      // const { end } = feature.discontinuousLocations[index]
+      // if (newStart >= end) {
+      //   const errMsg = `location start (${newStart}) can't be larger than location end (${end})`
+      //   logger.error(errMsg)
+      //   throw new Error(errMsg)
+      // }
+      // const previousLocation = feature.discontinuousLocations[index - 1]
+      // if (previousLocation && newStart <= previousLocation.end) {
+      //   const errMsg = `Location start (${newStart}) can't be larger than  the previous location's end (${previousLocation.end})`
+      //   logger.error(errMsg)
+      //   throw new Error(errMsg)
+      // }
       feature.discontinuousLocations[index].start = newStart
       if (index === 0) {
         feature.start = newStart
       }
 
+      logger.debug?.(`I'm here ${index}`)
+
       try {
-        topLevelFeature.markModified('discontinuousLocations')
+        topLevelFeature.markModified('children')
         await topLevelFeature.save()
       } catch (error) {
         logger.debug?.(`*** FAILED: ${error}`)