diff --git a/pkg/api/types.go b/pkg/api/types.go
index 8cb8c08e223..b008bc5c9c3 100644
--- a/pkg/api/types.go
+++ b/pkg/api/types.go
@@ -2041,9 +2041,6 @@ type ReplicationControllerCondition struct {
 	Type ReplicationControllerConditionType `json:"type"`
 	// Status of the condition, one of True, False, Unknown.
 	Status ConditionStatus `json:"status"`
-	// Last time we probed the condition.
-	// +optional
-	LastProbeTime unversioned.Time `json:"lastProbeTime,omitempty"`
 	// The last time the condition transitioned from one status to another.
 	// +optional
 	LastTransitionTime unversioned.Time `json:"lastTransitionTime,omitempty"`
diff --git a/pkg/api/v1/types.go b/pkg/api/v1/types.go
index fa00a3c9201..949bb1432b9 100644
--- a/pkg/api/v1/types.go
+++ b/pkg/api/v1/types.go
@@ -2350,9 +2350,6 @@ type ReplicationControllerCondition struct {
 	Type ReplicationControllerConditionType `json:"type"`
 	// Status of the condition, one of True, False, Unknown.
 	Status ConditionStatus `json:"status"`
-	// Last time we probed the condition.
-	// +optional
-	LastProbeTime unversioned.Time `json:"lastProbeTime,omitempty"`
 	// The last time the condition transitioned from one status to another.
 	// +optional
 	LastTransitionTime unversioned.Time `json:"lastTransitionTime,omitempty"`
diff --git a/pkg/apis/extensions/types.go b/pkg/apis/extensions/types.go
index 9b2e211d651..7d7cd8a8d1b 100644
--- a/pkg/apis/extensions/types.go
+++ b/pkg/apis/extensions/types.go
@@ -739,9 +739,6 @@ type ReplicaSetCondition struct {
 	Type ReplicaSetConditionType `json:"type"`
 	// Status of the condition, one of True, False, Unknown.
 	Status api.ConditionStatus `json:"status"`
-	// Last time we probed the condition.
-	// +optional
-	LastProbeTime unversioned.Time `json:"lastProbeTime,omitempty"`
 	// The last time the condition transitioned from one status to another.
 	// +optional
 	LastTransitionTime unversioned.Time `json:"lastTransitionTime,omitempty"`
diff --git a/pkg/apis/extensions/v1beta1/types.go b/pkg/apis/extensions/v1beta1/types.go
index 608d3efbf21..f714cd9c709 100644
--- a/pkg/apis/extensions/v1beta1/types.go
+++ b/pkg/apis/extensions/v1beta1/types.go
@@ -1035,9 +1035,6 @@ type ReplicaSetCondition struct {
 	Type ReplicaSetConditionType `json:"type"`
 	// Status of the condition, one of True, False, Unknown.
 	Status v1.ConditionStatus `json:"status"`
-	// Last time we probed the condition.
-	// +optional
-	LastProbeTime unversioned.Time `json:"lastProbeTime,omitempty"`
 	// The last time the condition transitioned from one status to another.
 	// +optional
 	LastTransitionTime unversioned.Time `json:"lastTransitionTime,omitempty"`