diff --git a/services/telemetryrouter/oas_commit b/services/telemetryrouter/oas_commit
index 9df10dbb7..abd8d51b0 100644
--- a/services/telemetryrouter/oas_commit
+++ b/services/telemetryrouter/oas_commit
@@ -1 +1 @@
-704bc151ecb2fa86e14ed14e7066163b24c08138
+46f03c1468dd453695c05e72c088a6bfb5a4bbab
diff --git a/services/telemetryrouter/v1api/model_create_destination_payload.go b/services/telemetryrouter/v1api/model_create_destination_payload.go
index ecc8f4c27..4a82b7a13 100644
--- a/services/telemetryrouter/v1api/model_create_destination_payload.go
+++ b/services/telemetryrouter/v1api/model_create_destination_payload.go
@@ -22,7 +22,7 @@ var _ MappedNullable = &CreateDestinationPayload{}
 type CreateDestinationPayload struct {
 	Config DestinationConfig `json:"config"`
 	// The description is a longer text chosen by the user to provide more context for the resource.
-	Description *string `json:"description,omitempty" validate:"regexp=^([a-zA-Z0-9][a-zA-Z0-9 \\\\-]*)?$"`
+	Description *string `json:"description,omitempty"`
 	// The display name is a short name chosen by the user to identify the resource.
 	DisplayName          string `json:"displayName" validate:"regexp=^[a-zA-Z0-9][a-zA-Z0-9 \\\\-]*$"`
 	AdditionalProperties map[string]interface{}
diff --git a/services/telemetryrouter/v1api/model_create_telemetry_router_payload.go b/services/telemetryrouter/v1api/model_create_telemetry_router_payload.go
index f40faf7ab..cfd8bc801 100644
--- a/services/telemetryrouter/v1api/model_create_telemetry_router_payload.go
+++ b/services/telemetryrouter/v1api/model_create_telemetry_router_payload.go
@@ -21,7 +21,7 @@ var _ MappedNullable = &CreateTelemetryRouterPayload{}
 // CreateTelemetryRouterPayload struct for CreateTelemetryRouterPayload
 type CreateTelemetryRouterPayload struct {
 	// The description is a longer text chosen by the user to provide more context for the resource.
-	Description *string `json:"description,omitempty" validate:"regexp=^([a-zA-Z0-9][a-zA-Z0-9 \\\\-]*)?$"`
+	Description *string `json:"description,omitempty"`
 	// The display name is a short name chosen by the user to identify the resource.
 	DisplayName          string        `json:"displayName" validate:"regexp=^[a-zA-Z0-9][a-zA-Z0-9 \\\\-]*$"`
 	Filter               *ConfigFilter `json:"filter,omitempty"`
diff --git a/services/telemetryrouter/v1api/model_update_destination_payload.go b/services/telemetryrouter/v1api/model_update_destination_payload.go
index dbe2bb106..d251fc35c 100644
--- a/services/telemetryrouter/v1api/model_update_destination_payload.go
+++ b/services/telemetryrouter/v1api/model_update_destination_payload.go
@@ -21,7 +21,7 @@ var _ MappedNullable = &UpdateDestinationPayload{}
 type UpdateDestinationPayload struct {
 	Config *DestinationConfig `json:"config,omitempty"`
 	// The description is a longer text chosen by the user to provide more context for the resource.
-	Description *string `json:"description,omitempty" validate:"regexp=^([a-zA-Z0-9][a-zA-Z0-9 \\\\-]*)?$"`
+	Description *string `json:"description,omitempty"`
 	// The display name is a short name chosen by the user to identify the resource.
 	DisplayName          *string `json:"displayName,omitempty" validate:"regexp=^[a-zA-Z0-9][a-zA-Z0-9 \\\\-]*$"`
 	AdditionalProperties map[string]interface{}
diff --git a/services/telemetryrouter/v1api/model_update_telemetry_router_payload.go b/services/telemetryrouter/v1api/model_update_telemetry_router_payload.go
index 4ed1bc54b..3769d482d 100644
--- a/services/telemetryrouter/v1api/model_update_telemetry_router_payload.go
+++ b/services/telemetryrouter/v1api/model_update_telemetry_router_payload.go
@@ -20,7 +20,7 @@ var _ MappedNullable = &UpdateTelemetryRouterPayload{}
 // UpdateTelemetryRouterPayload struct for UpdateTelemetryRouterPayload
 type UpdateTelemetryRouterPayload struct {
 	// The description is a longer text chosen by the user to provide more context for the resource.
-	Description *string `json:"description,omitempty" validate:"regexp=^([a-zA-Z0-9][a-zA-Z0-9 \\\\-]*)?$"`
+	Description *string `json:"description,omitempty"`
 	// The display name is a short name chosen by the user to identify the resource.
 	DisplayName          *string       `json:"displayName,omitempty" validate:"regexp=^[a-zA-Z0-9][a-zA-Z0-9 \\\\-]*$"`
 	Filter               *ConfigFilter `json:"filter,omitempty"`