diff --git a/github/checks.go b/github/checks.go
index 0c88cbb58aa..84f8403401f 100644
--- a/github/checks.go
+++ b/github/checks.go
@@ -51,7 +51,6 @@ type CheckRunOutput struct {
 // CheckRunAnnotation represents an annotation object for a CheckRun output.
 type CheckRunAnnotation struct {
 	Path            *string `json:"path,omitempty"`
-	BlobHRef        *string `json:"blob_href,omitempty"`
 	StartLine       *int    `json:"start_line,omitempty"`
 	EndLine         *int    `json:"end_line,omitempty"`
 	StartColumn     *int    `json:"start_column,omitempty"`
diff --git a/github/checks_test.go b/github/checks_test.go
index 13f5a2ac9c7..848c7e7d389 100644
--- a/github/checks_test.go
+++ b/github/checks_test.go
@@ -148,7 +148,6 @@ func TestChecksService_ListCheckRunAnnotations(t *testing.T) {
 		})
 		fmt.Fprint(w, `[{
 		                           "path": "README.md",
-		                           "blob_href": "https://github.com/octocat/Hello-World/blob/837db83be4137ca555d9a5598d0a1ea2987ecfee/README.md",
 		                           "start_line": 2,
 		                           "end_line": 2,
 		                           "start_column": 1,
@@ -167,7 +166,6 @@ func TestChecksService_ListCheckRunAnnotations(t *testing.T) {
 
 	want := []*CheckRunAnnotation{{
 		Path:            String("README.md"),
-		BlobHRef:        String("https://github.com/octocat/Hello-World/blob/837db83be4137ca555d9a5598d0a1ea2987ecfee/README.md"),
 		StartLine:       Int(2),
 		EndLine:         Int(2),
 		StartColumn:     Int(1),
@@ -506,7 +504,6 @@ func Test_CheckRunMarshal(t *testing.T) {
 			Annotations: []*CheckRunAnnotation{
 				{
 					AnnotationLevel: String("a"),
-					BlobHRef:        String("b"),
 					EndLine:         Int(1),
 					Message:         String("m"),
 					Path:            String("p"),
@@ -598,7 +595,6 @@ func Test_CheckRunMarshal(t *testing.T) {
 			"annotations": [
 				{
 					"path": "p",
-					"blob_href": "b",
 					"start_line": 1,
 					"end_line": 1,
 					"annotation_level": "a",
diff --git a/github/github-accessors.go b/github/github-accessors.go
index 4873d98472f..96b12bb1fef 100644
--- a/github/github-accessors.go
+++ b/github/github-accessors.go
@@ -636,14 +636,6 @@ func (c *CheckRunAnnotation) GetAnnotationLevel() string {
 	return *c.AnnotationLevel
 }
 
-// GetBlobHRef returns the BlobHRef field if it's non-nil, zero value otherwise.
-func (c *CheckRunAnnotation) GetBlobHRef() string {
-	if c == nil || c.BlobHRef == nil {
-		return ""
-	}
-	return *c.BlobHRef
-}
-
 // GetEndColumn returns the EndColumn field if it's non-nil, zero value otherwise.
 func (c *CheckRunAnnotation) GetEndColumn() int {
 	if c == nil || c.EndColumn == nil {