diff --git a/esbuild.config.mjs b/esbuild.config.mjs
index 64e4e8596..a54cfa26f 100644
--- a/esbuild.config.mjs
+++ b/esbuild.config.mjs
@@ -44,7 +44,7 @@ const context = await esbuild.context({
   plugins: [
     sassPlugin(),
     esbuildSvelte({
-      compilerOptions: { css: true, dev: true },
+      compilerOptions: { css: true, dev: !prod },
       preprocess: sveltePreprocess()
     })
   ]
diff --git a/src/parser/parser.ts b/src/parser/parser.ts
index 583cc81be..da8ee3a53 100644
--- a/src/parser/parser.ts
+++ b/src/parser/parser.ts
@@ -41,14 +41,12 @@ export function getListItemsUnderHeading(
   });
 }
 
-// todo: this belongs to metadata-utils
 export function getHeadingByText(metadata: CachedMetadata, text: string) {
   const { headings = [] } = metadata;
 
   return headings?.find((h) => h.heading === text);
 }
 
-// todo: we don't need this, delete it
 export function createTask({
   line,
   completeContent,
diff --git a/src/service/dataview-facade.ts b/src/service/dataview-facade.ts
index be8d50a5d..07c1ffe94 100644
--- a/src/service/dataview-facade.ts
+++ b/src/service/dataview-facade.ts
@@ -60,7 +60,7 @@ export function sTaskToTask(sTask: STask, day: Moment): Task {
     },
   });
 
-  const durationMinutes = endTime
+  const durationMinutes = endTime?.isAfter(startTime)
     ? getDiffInMinutes(endTime, startTime)
     : undefined;