diff --git a/services/google/eventarc/alpha/trigger.yaml b/services/google/eventarc/alpha/trigger.yaml
index 7c85d5f8ca..e389d41fe1 100755
--- a/services/google/eventarc/alpha/trigger.yaml
+++ b/services/google/eventarc/alpha/trigger.yaml
@@ -248,7 +248,7 @@ components:
         matchingCriteria:
           type: array
           x-dcl-go-name: MatchingCriteria
-          description: Required. null The list of filters that applies to event attributes.
+          description: Required. The list of filters that applies to event attributes.
             Only events that match all the provided filters will be sent to the destination.
           x-dcl-send-empty: true
           x-dcl-list-type: set
diff --git a/services/google/eventarc/alpha/trigger_schema.go b/services/google/eventarc/alpha/trigger_schema.go
index bb3559c103..9a22b4c637 100755
--- a/services/google/eventarc/alpha/trigger_schema.go
+++ b/services/google/eventarc/alpha/trigger_schema.go
@@ -300,7 +300,7 @@ func DCLTriggerSchema() *dcl.Schema {
 							"matchingCriteria": &dcl.Property{
 								Type:        "array",
 								GoName:      "MatchingCriteria",
-								Description: "Required. null The list of filters that applies to event attributes. Only events that match all the provided filters will be sent to the destination.",
+								Description: "Required. The list of filters that applies to event attributes. Only events that match all the provided filters will be sent to the destination.",
 								SendEmpty:   true,
 								ListType:    "set",
 								Items: &dcl.Property{
diff --git a/services/google/eventarc/beta/trigger.yaml b/services/google/eventarc/beta/trigger.yaml
index 7c85d5f8ca..e389d41fe1 100755
--- a/services/google/eventarc/beta/trigger.yaml
+++ b/services/google/eventarc/beta/trigger.yaml
@@ -248,7 +248,7 @@ components:
         matchingCriteria:
           type: array
           x-dcl-go-name: MatchingCriteria
-          description: Required. null The list of filters that applies to event attributes.
+          description: Required. The list of filters that applies to event attributes.
             Only events that match all the provided filters will be sent to the destination.
           x-dcl-send-empty: true
           x-dcl-list-type: set
diff --git a/services/google/eventarc/beta/trigger_schema.go b/services/google/eventarc/beta/trigger_schema.go
index 9e285cbc47..ca7f7f1c35 100755
--- a/services/google/eventarc/beta/trigger_schema.go
+++ b/services/google/eventarc/beta/trigger_schema.go
@@ -300,7 +300,7 @@ func DCLTriggerSchema() *dcl.Schema {
 							"matchingCriteria": &dcl.Property{
 								Type:        "array",
 								GoName:      "MatchingCriteria",
-								Description: "Required. null The list of filters that applies to event attributes. Only events that match all the provided filters will be sent to the destination.",
+								Description: "Required. The list of filters that applies to event attributes. Only events that match all the provided filters will be sent to the destination.",
 								SendEmpty:   true,
 								ListType:    "set",
 								Items: &dcl.Property{
diff --git a/services/google/eventarc/trigger.yaml b/services/google/eventarc/trigger.yaml
index 7c85d5f8ca..e389d41fe1 100755
--- a/services/google/eventarc/trigger.yaml
+++ b/services/google/eventarc/trigger.yaml
@@ -248,7 +248,7 @@ components:
         matchingCriteria:
           type: array
           x-dcl-go-name: MatchingCriteria
-          description: Required. null The list of filters that applies to event attributes.
+          description: Required. The list of filters that applies to event attributes.
             Only events that match all the provided filters will be sent to the destination.
           x-dcl-send-empty: true
           x-dcl-list-type: set
diff --git a/services/google/eventarc/trigger_schema.go b/services/google/eventarc/trigger_schema.go
index 47b7bb036b..b5f8bd5a72 100755
--- a/services/google/eventarc/trigger_schema.go
+++ b/services/google/eventarc/trigger_schema.go
@@ -300,7 +300,7 @@ func DCLTriggerSchema() *dcl.Schema {
 							"matchingCriteria": &dcl.Property{
 								Type:        "array",
 								GoName:      "MatchingCriteria",
-								Description: "Required. null The list of filters that applies to event attributes. Only events that match all the provided filters will be sent to the destination.",
+								Description: "Required. The list of filters that applies to event attributes. Only events that match all the provided filters will be sent to the destination.",
 								SendEmpty:   true,
 								ListType:    "set",
 								Items: &dcl.Property{