diff --git a/docs/pipeline-api.md b/docs/pipeline-api.md
index c922adeda39..d7957df6919 100644
--- a/docs/pipeline-api.md
+++ b/docs/pipeline-api.md
@@ -2217,7 +2217,6 @@ Kubernetes meta/v1.Time
 </em>
 </td>
 <td>
-<em>(Optional)</em>
 <p>StartTime is the time the PipelineRun is actually started.</p>
 </td>
 </tr>
@@ -2231,7 +2230,6 @@ Kubernetes meta/v1.Time
 </em>
 </td>
 <td>
-<em>(Optional)</em>
 <p>CompletionTime is the time the PipelineRun completed.</p>
 </td>
 </tr>
@@ -2314,6 +2312,7 @@ Provenance
 </em>
 </td>
 <td>
+<em>(Optional)</em>
 <p>Provenance contains some key authenticated metadata about how a software artifact was built (what sources, what inputs/outputs, etc.).</p>
 </td>
 </tr>
@@ -4991,7 +4990,6 @@ Kubernetes meta/v1.Time
 </em>
 </td>
 <td>
-<em>(Optional)</em>
 <p>StartTime is the time the build is actually started.</p>
 </td>
 </tr>
@@ -5005,7 +5003,6 @@ Kubernetes meta/v1.Time
 </em>
 </td>
 <td>
-<em>(Optional)</em>
 <p>CompletionTime is the time the build completed.</p>
 </td>
 </tr>
@@ -5089,6 +5086,7 @@ Provenance
 </em>
 </td>
 <td>
+<em>(Optional)</em>
 <p>Provenance contains some key authenticated metadata about how a software artifact was built (what sources, what inputs/outputs, etc.).</p>
 </td>
 </tr>
@@ -9582,7 +9580,6 @@ Kubernetes meta/v1.Time
 </em>
 </td>
 <td>
-<em>(Optional)</em>
 <p>StartTime is the time the PipelineRun is actually started.</p>
 </td>
 </tr>
@@ -9596,7 +9593,6 @@ Kubernetes meta/v1.Time
 </em>
 </td>
 <td>
-<em>(Optional)</em>
 <p>CompletionTime is the time the PipelineRun completed.</p>
 </td>
 </tr>
@@ -9709,6 +9705,7 @@ Provenance
 </em>
 </td>
 <td>
+<em>(Optional)</em>
 <p>Provenance contains some key authenticated metadata about how a software artifact was built (what sources, what inputs/outputs, etc.).</p>
 </td>
 </tr>
@@ -13024,7 +13021,6 @@ Kubernetes meta/v1.Time
 </em>
 </td>
 <td>
-<em>(Optional)</em>
 <p>StartTime is the time the build is actually started.</p>
 </td>
 </tr>
@@ -13038,7 +13034,6 @@ Kubernetes meta/v1.Time
 </em>
 </td>
 <td>
-<em>(Optional)</em>
 <p>CompletionTime is the time the build completed.</p>
 </td>
 </tr>
@@ -13152,6 +13147,7 @@ Provenance
 </em>
 </td>
 <td>
+<em>(Optional)</em>
 <p>Provenance contains some key authenticated metadata about how a software artifact was built (what sources, what inputs/outputs, etc.).</p>
 </td>
 </tr>
diff --git a/pkg/apis/pipeline/v1/pipelinerun_types.go b/pkg/apis/pipeline/v1/pipelinerun_types.go
index 2a4fe0c2618..9df2ef06340 100644
--- a/pkg/apis/pipeline/v1/pipelinerun_types.go
+++ b/pkg/apis/pipeline/v1/pipelinerun_types.go
@@ -399,11 +399,9 @@ type ChildStatusReference struct {
 // consume these fields via duck typing.
 type PipelineRunStatusFields struct {
 	// StartTime is the time the PipelineRun is actually started.
-	// +optional
 	StartTime *metav1.Time `json:"startTime,omitempty"`
 
 	// CompletionTime is the time the PipelineRun completed.
-	// +optional
 	CompletionTime *metav1.Time `json:"completionTime,omitempty"`
 
 	// Results are the list of results written out by the pipeline task's containers
@@ -429,6 +427,7 @@ type PipelineRunStatusFields struct {
 	FinallyStartTime *metav1.Time `json:"finallyStartTime,omitempty"`
 
 	// Provenance contains some key authenticated metadata about how a software artifact was built (what sources, what inputs/outputs, etc.).
+	// +optional
 	Provenance *Provenance `json:"provenance,omitempty"`
 }
 
diff --git a/pkg/apis/pipeline/v1/taskrun_types.go b/pkg/apis/pipeline/v1/taskrun_types.go
index bf29a836425..9218a811ac3 100644
--- a/pkg/apis/pipeline/v1/taskrun_types.go
+++ b/pkg/apis/pipeline/v1/taskrun_types.go
@@ -201,11 +201,9 @@ type TaskRunStatusFields struct {
 	PodName string `json:"podName"`
 
 	// StartTime is the time the build is actually started.
-	// +optional
 	StartTime *metav1.Time `json:"startTime,omitempty"`
 
 	// CompletionTime is the time the build completed.
-	// +optional
 	CompletionTime *metav1.Time `json:"completionTime,omitempty"`
 
 	// Steps describes the state of each build step container.
@@ -233,6 +231,7 @@ type TaskRunStatusFields struct {
 	TaskSpec *TaskSpec `json:"taskSpec,omitempty"`
 
 	// Provenance contains some key authenticated metadata about how a software artifact was built (what sources, what inputs/outputs, etc.).
+	// +optional
 	Provenance *Provenance `json:"provenance,omitempty"`
 }
 
diff --git a/pkg/apis/pipeline/v1beta1/pipelinerun_types.go b/pkg/apis/pipeline/v1beta1/pipelinerun_types.go
index c8cb9198130..fd521b0506b 100644
--- a/pkg/apis/pipeline/v1beta1/pipelinerun_types.go
+++ b/pkg/apis/pipeline/v1beta1/pipelinerun_types.go
@@ -418,11 +418,9 @@ type ChildStatusReference struct {
 // consume these fields via duck typing.
 type PipelineRunStatusFields struct {
 	// StartTime is the time the PipelineRun is actually started.
-	// +optional
 	StartTime *metav1.Time `json:"startTime,omitempty"`
 
 	// CompletionTime is the time the PipelineRun completed.
-	// +optional
 	CompletionTime *metav1.Time `json:"completionTime,omitempty"`
 
 	// Deprecated - use ChildReferences instead.
@@ -458,6 +456,7 @@ type PipelineRunStatusFields struct {
 	FinallyStartTime *metav1.Time `json:"finallyStartTime,omitempty"`
 
 	// Provenance contains some key authenticated metadata about how a software artifact was built (what sources, what inputs/outputs, etc.).
+	// +optional
 	Provenance *Provenance `json:"provenance,omitempty"`
 }
 
diff --git a/pkg/apis/pipeline/v1beta1/taskrun_types.go b/pkg/apis/pipeline/v1beta1/taskrun_types.go
index 8c70b63f30c..a65f962f166 100644
--- a/pkg/apis/pipeline/v1beta1/taskrun_types.go
+++ b/pkg/apis/pipeline/v1beta1/taskrun_types.go
@@ -232,11 +232,9 @@ type TaskRunStatusFields struct {
 	PodName string `json:"podName"`
 
 	// StartTime is the time the build is actually started.
-	// +optional
 	StartTime *metav1.Time `json:"startTime,omitempty"`
 
 	// CompletionTime is the time the build completed.
-	// +optional
 	CompletionTime *metav1.Time `json:"completionTime,omitempty"`
 
 	// Steps describes the state of each build step container.
@@ -276,6 +274,7 @@ type TaskRunStatusFields struct {
 	TaskSpec *TaskSpec `json:"taskSpec,omitempty"`
 
 	// Provenance contains some key authenticated metadata about how a software artifact was built (what sources, what inputs/outputs, etc.).
+	// +optional
 	Provenance *Provenance `json:"provenance,omitempty"`
 }