diff --git a/video.go b/video.go
index 87e2fca..90f6510 100644
--- a/video.go
+++ b/video.go
@@ -7,11 +7,9 @@ import (
 
 // Validation errors
 var (
-	ErrInvalidVideoNoMIMEs       = errors.New("openrtb: video has no mimes")
-	ErrInvalidVideoNoLinearity   = errors.New("openrtb: video linearity missing")
-	ErrInvalidVideoNoMinDuration = errors.New("openrtb: video min-duration missing")
-	ErrInvalidVideoNoMaxDuration = errors.New("openrtb: video max-duration missing")
-	ErrInvalidVideoNoProtocols   = errors.New("openrtb: video protocols missing")
+	ErrInvalidVideoNoMIMEs     = errors.New("openrtb: video has no mimes")
+	ErrInvalidVideoNoLinearity = errors.New("openrtb: video linearity missing")
+	ErrInvalidVideoNoProtocols = errors.New("openrtb: video protocols missing")
 )
 
 // Video object must be included directly in the impression object if the impression offered
@@ -53,10 +51,6 @@ func (v *Video) Validate() error {
 		return ErrInvalidVideoNoMIMEs
 	} else if v.Linearity == 0 {
 		return ErrInvalidVideoNoLinearity
-	} else if v.MinDuration == 0 {
-		return ErrInvalidVideoNoMinDuration
-	} else if v.MaxDuration == 0 {
-		return ErrInvalidVideoNoMaxDuration
 	} else if v.Protocol == 0 && len(v.Protocols) == 0 {
 		return ErrInvalidVideoNoProtocols
 	}
diff --git a/video_test.go b/video_test.go
index 196d367..ffad210 100644
--- a/video_test.go
+++ b/video_test.go
@@ -51,15 +51,6 @@ var _ = Describe("Video", func() {
 		Expect((&Video{
 			MIMEs: []string{"video/mp4"},
 		}).Validate()).To(Equal(ErrInvalidVideoNoLinearity))
-		Expect((&Video{
-			Linearity: VideoLinearityNonLinear,
-			MIMEs:     []string{"video/mp4"},
-		}).Validate()).To(Equal(ErrInvalidVideoNoMinDuration))
-		Expect((&Video{
-			MinDuration: 1,
-			Linearity:   VideoLinearityNonLinear,
-			MIMEs:       []string{"video/mp4"},
-		}).Validate()).To(Equal(ErrInvalidVideoNoMaxDuration))
 		Expect((&Video{
 			MinDuration: 1,
 			MaxDuration: 1,