diff --git a/internal/api/timestamp_test.go b/internal/api/timestamp_test.go
index 35c9bd03c..a36660346 100644
--- a/internal/api/timestamp_test.go
+++ b/internal/api/timestamp_test.go
@@ -37,7 +37,6 @@ func TestTimestamp(t *testing.T) {
 		{"rfc3339", "2021-11-04T01:02:03Z", "2021-11-04T01:02:03Z"},
 		{"date", "2021-04-05", "2021-04-05T00:00:00Z"},
 		{"datetime", "2021-04-05 14:45:36", "2021-04-05T14:45:36Z"},
-		{"datetime-tz", "2021-04-05 14:45:36 PDT", "2021-04-05T14:45:36Z"},
 	}
 
 	for _, tc := range testCases {
diff --git a/pkg/utils/date.go b/pkg/utils/date.go
index 9d3affcf2..de5566e4d 100644
--- a/pkg/utils/date.go
+++ b/pkg/utils/date.go
@@ -5,8 +5,6 @@ import (
 	"time"
 )
 
-const railsTimeLayout = "2006-01-02 15:04:05 MST"
-
 func ParseDateStringAsTime(dateString string) (time.Time, error) {
 	// https://stackoverflow.com/a/20234207 WTF?
 
@@ -25,10 +23,5 @@ func ParseDateStringAsTime(dateString string) (time.Time, error) {
 		return t, nil
 	}
 
-	t, e = time.Parse(railsTimeLayout, dateString)
-	if e == nil {
-		return t, nil
-	}
-
 	return time.Time{}, fmt.Errorf("ParseDateStringAsTime failed: dateString <%s>", dateString)
 }