diff --git a/go/src/v.io/x/sensorlog/internal/sbmodel/sbmodel.vdl.go b/go/src/v.io/x/sensorlog/internal/sbmodel/sbmodel.vdl.go
index 1537f6a..21628b0 100644
--- a/go/src/v.io/x/sensorlog/internal/sbmodel/sbmodel.vdl.go
+++ b/go/src/v.io/x/sensorlog/internal/sbmodel/sbmodel.vdl.go
@@ -150,7 +150,6 @@
 	if (dec.StackDepth() == 1 || dec.IsAny()) && !vdl.Compatible(vdl.TypeOf(*x), dec.Type()) {
 		return fmt.Errorf("incompatible struct %T, from %v", *x, dec.Type())
 	}
-	match := 0
 	for {
 		f, err := dec.NextField()
 		if err != nil {
@@ -158,12 +157,8 @@
 		}
 		switch f {
 		case "":
-			if match == 0 && dec.Type().NumField() > 0 {
-				return fmt.Errorf("no matching fields in struct %T, from %v", *x, dec.Type())
-			}
 			return dec.FinishValue()
 		case "Desc":
-			match++
 			if err = dec.StartValue(); err != nil {
 				return err
 			}
@@ -174,7 +169,6 @@
 				return err
 			}
 		case "SgPublishSb":
-			match++
 			if err = dec.StartValue(); err != nil {
 				return err
 			}
@@ -285,7 +279,6 @@
 	if (dec.StackDepth() == 1 || dec.IsAny()) && !vdl.Compatible(vdl.TypeOf(*x), dec.Type()) {
 		return fmt.Errorf("incompatible struct %T, from %v", *x, dec.Type())
 	}
-	match := 0
 	for {
 		f, err := dec.NextField()
 		if err != nil {
@@ -293,12 +286,8 @@
 		}
 		switch f {
 		case "":
-			if match == 0 && dec.Type().NumField() > 0 {
-				return fmt.Errorf("no matching fields in struct %T, from %v", *x, dec.Type())
-			}
 			return dec.FinishValue()
 		case "DevId":
-			match++
 			if err = dec.StartValue(); err != nil {
 				return err
 			}
@@ -493,7 +482,6 @@
 	if (dec.StackDepth() == 1 || dec.IsAny()) && !vdl.Compatible(vdl.TypeOf(*x), dec.Type()) {
 		return fmt.Errorf("incompatible struct %T, from %v", *x, dec.Type())
 	}
-	match := 0
 	for {
 		f, err := dec.NextField()
 		if err != nil {
@@ -501,12 +489,8 @@
 		}
 		switch f {
 		case "":
-			if match == 0 && dec.Type().NumField() > 0 {
-				return fmt.Errorf("no matching fields in struct %T, from %v", *x, dec.Type())
-			}
 			return dec.FinishValue()
 		case "Script":
-			match++
 			if err = dec.StartValue(); err != nil {
 				return err
 			}
@@ -517,7 +501,6 @@
 				return err
 			}
 		case "Start":
-			match++
 			var wire time_2.Time
 			if err = wire.VDLRead(dec); err != nil {
 				return err
@@ -526,7 +509,6 @@
 				return err
 			}
 		case "Interval":
-			match++
 			var wire time_2.Duration
 			if err = wire.VDLRead(dec); err != nil {
 				return err
@@ -697,7 +679,6 @@
 	if (dec.StackDepth() == 1 || dec.IsAny()) && !vdl.Compatible(vdl.TypeOf(*x), dec.Type()) {
 		return fmt.Errorf("incompatible struct %T, from %v", *x, dec.Type())
 	}
-	match := 0
 	for {
 		f, err := dec.NextField()
 		if err != nil {
@@ -705,12 +686,8 @@
 		}
 		switch f {
 		case "":
-			if match == 0 && dec.Type().NumField() > 0 {
-				return fmt.Errorf("no matching fields in struct %T, from %v", *x, dec.Type())
-			}
 			return dec.FinishValue()
 		case "Desc":
-			match++
 			if err = dec.StartValue(); err != nil {
 				return err
 			}
@@ -721,12 +698,10 @@
 				return err
 			}
 		case "Sampler":
-			match++
 			if err = x.Sampler.VDLRead(dec); err != nil {
 				return err
 			}
 		case "Enabled":
-			match++
 			if err = dec.StartValue(); err != nil {
 				return err
 			}
@@ -865,7 +840,6 @@
 	if (dec.StackDepth() == 1 || dec.IsAny()) && !vdl.Compatible(vdl.TypeOf(*x), dec.Type()) {
 		return fmt.Errorf("incompatible struct %T, from %v", *x, dec.Type())
 	}
-	match := 0
 	for {
 		f, err := dec.NextField()
 		if err != nil {
@@ -873,12 +847,8 @@
 		}
 		switch f {
 		case "":
-			if match == 0 && dec.Type().NumField() > 0 {
-				return fmt.Errorf("no matching fields in struct %T, from %v", *x, dec.Type())
-			}
 			return dec.FinishValue()
 		case "DevId":
-			match++
 			if err = dec.StartValue(); err != nil {
 				return err
 			}
@@ -889,7 +859,6 @@
 				return err
 			}
 		case "StreamId":
-			match++
 			if err = dec.StartValue(); err != nil {
 				return err
 			}
@@ -1070,7 +1039,6 @@
 	if (dec.StackDepth() == 1 || dec.IsAny()) && !vdl.Compatible(vdl.TypeOf(*x), dec.Type()) {
 		return fmt.Errorf("incompatible struct %T, from %v", *x, dec.Type())
 	}
-	match := 0
 	for {
 		f, err := dec.NextField()
 		if err != nil {
@@ -1078,12 +1046,8 @@
 		}
 		switch f {
 		case "":
-			if match == 0 && dec.Type().NumField() > 0 {
-				return fmt.Errorf("no matching fields in struct %T, from %v", *x, dec.Type())
-			}
 			return dec.FinishValue()
 		case "DevId":
-			match++
 			if err = dec.StartValue(); err != nil {
 				return err
 			}
@@ -1094,7 +1058,6 @@
 				return err
 			}
 		case "StreamId":
-			match++
 			if err = dec.StartValue(); err != nil {
 				return err
 			}
@@ -1105,7 +1068,6 @@
 				return err
 			}
 		case "Timestamp":
-			match++
 			var wire time_2.Time
 			if err = wire.VDLRead(dec); err != nil {
 				return err