diff --git a/smithy-aws-protocol-tests/model/restJson1/http-checksums.smithy b/smithy-aws-protocol-tests/model/restJson1/http-checksums.smithy
index 71b5cbfd708..8306302a825 100644
--- a/smithy-aws-protocol-tests/model/restJson1/http-checksums.smithy
+++ b/smithy-aws-protocol-tests/model/restJson1/http-checksums.smithy
@@ -8,6 +8,7 @@ use aws.protocols#restJson1
 use smithy.test#httpRequestTests
 
 /// This example tests httpChecksumRequired trait
+@suppress(["UnstableTrait"])
 @httpChecksumRequired
 @http(uri: "/HttpChecksumRequired", method: "POST")
 operation HttpChecksumRequired {
diff --git a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-accept.smithy b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-accept.smithy
index dedfecfb7a0..2ff8df9fe3a 100644
--- a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-accept.smithy
+++ b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-accept.smithy
@@ -80,11 +80,13 @@ apply MalformedAcceptWithGenericString @httpMalformedRequestTests([
     }
 ])
 
+@suppress(["UnstableTrait"])
 @http(method: "POST", uri: "/MalformedAcceptWithBody")
 operation MalformedAcceptWithBody {
     output: GreetingStruct
 }
 
+@suppress(["UnstableTrait"])
 @http(method: "POST", uri: "/MalformedAcceptWithPayload")
 operation MalformedAcceptWithPayload {
     output: MalformedAcceptWithPayloadInput
@@ -95,6 +97,7 @@ structure MalformedAcceptWithPayloadInput {
     payload: JpegBlob
 }
 
+@suppress(["UnstableTrait"])
 @http(method: "POST", uri: "/MalformedAcceptWithGenericString")
 operation MalformedAcceptWithGenericString {
     input: MalformedAcceptWithGenericStringInput
diff --git a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-blob.smithy b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-blob.smithy
index edf4f91d1d6..6723fcccb6e 100644
--- a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-blob.smithy
+++ b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-blob.smithy
@@ -5,6 +5,7 @@ namespace aws.protocoltests.restjson
 use aws.protocols#restJson1
 use smithy.test#httpMalformedRequestTests
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedBlob", method: "POST")
 operation MalformedBlob {
     input: MalformedBlobInput
diff --git a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-boolean.smithy b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-boolean.smithy
index f90f165f84b..015020ba9ed 100644
--- a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-boolean.smithy
+++ b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-boolean.smithy
@@ -5,6 +5,7 @@ namespace aws.protocoltests.restjson
 use aws.protocols#restJson1
 use smithy.test#httpMalformedRequestTests
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedBoolean/{booleanInPath}", method: "POST")
 operation MalformedBoolean {
     input: MalformedBooleanInput
diff --git a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-byte.smithy b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-byte.smithy
index af01d6a1551..3dbc8b9f47d 100644
--- a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-byte.smithy
+++ b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-byte.smithy
@@ -5,6 +5,7 @@ namespace aws.protocoltests.restjson
 use aws.protocols#restJson1
 use smithy.test#httpMalformedRequestTests
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedByte/{byteInPath}", method: "POST")
 operation MalformedByte {
     input: MalformedByteInput
diff --git a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-content-type.smithy b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-content-type.smithy
index a18054e65b7..3ee4a79656d 100644
--- a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-content-type.smithy
+++ b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-content-type.smithy
@@ -108,14 +108,17 @@ apply MalformedContentTypeWithGenericString @httpMalformedRequestTests([
     }
 ])
 
+@suppress(["UnstableTrait"])
 @http(method: "POST", uri: "/MalformedContentTypeWithoutBody")
 operation MalformedContentTypeWithoutBody {}
 
+@suppress(["UnstableTrait"])
 @http(method: "POST", uri: "/MalformedContentTypeWithBody")
 operation MalformedContentTypeWithBody {
     input: GreetingStruct
 }
 
+@suppress(["UnstableTrait"])
 @http(method: "POST", uri: "/MalformedContentTypeWithPayload")
 operation MalformedContentTypeWithPayload {
     input: MalformedContentTypeWithPayloadInput
@@ -126,6 +129,7 @@ structure MalformedContentTypeWithPayloadInput {
     payload: JpegBlob
 }
 
+@suppress(["UnstableTrait"])
 @http(method: "POST", uri: "/MalformedContentTypeWithGenericString")
 operation MalformedContentTypeWithGenericString {
     input: MalformedContentTypeWithGenericStringInput
diff --git a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-double.smithy b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-double.smithy
index b51061e4aaf..df22ce52c26 100644
--- a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-double.smithy
+++ b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-double.smithy
@@ -5,6 +5,7 @@ namespace aws.protocoltests.restjson
 use aws.protocols#restJson1
 use smithy.test#httpMalformedRequestTests
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedDouble/{doubleInPath}", method: "POST")
 operation MalformedDouble {
     input: MalformedDoubleInput
diff --git a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-float.smithy b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-float.smithy
index ec8e4d2f042..92e38e3e337 100644
--- a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-float.smithy
+++ b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-float.smithy
@@ -5,6 +5,7 @@ namespace aws.protocoltests.restjson
 use aws.protocols#restJson1
 use smithy.test#httpMalformedRequestTests
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedFloat/{floatInPath}", method: "POST")
 operation MalformedFloat {
     input: MalformedFloatInput
diff --git a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-integer.smithy b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-integer.smithy
index b3d24f3a0d9..d3404e87203 100644
--- a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-integer.smithy
+++ b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-integer.smithy
@@ -5,6 +5,7 @@ namespace aws.protocoltests.restjson
 use aws.protocols#restJson1
 use smithy.test#httpMalformedRequestTests
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedInteger/{integerInPath}", method: "POST")
 operation MalformedInteger {
     input: MalformedIntegerInput
diff --git a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-list.smithy b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-list.smithy
index 8e1d9048ce1..a95e2f244e3 100644
--- a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-list.smithy
+++ b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-list.smithy
@@ -5,6 +5,7 @@ namespace aws.protocoltests.restjson
 use aws.protocols#restJson1
 use smithy.test#httpMalformedRequestTests
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedList", method: "POST")
 operation MalformedList {
     input: MalformedListInput
diff --git a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-long.smithy b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-long.smithy
index 0feb7412961..7cd092afad3 100644
--- a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-long.smithy
+++ b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-long.smithy
@@ -5,6 +5,7 @@ namespace aws.protocoltests.restjson
 use aws.protocols#restJson1
 use smithy.test#httpMalformedRequestTests
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedLong/{longInPath}", method: "POST")
 operation MalformedLong {
     input: MalformedLongInput
diff --git a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-map.smithy b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-map.smithy
index 959ded310d1..4ecf0691ab0 100644
--- a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-map.smithy
+++ b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-map.smithy
@@ -5,6 +5,7 @@ namespace aws.protocoltests.restjson
 use aws.protocols#restJson1
 use smithy.test#httpMalformedRequestTests
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedMap", method: "POST")
 operation MalformedMap {
     input: MalformedMapInput
diff --git a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-request-body.smithy b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-request-body.smithy
index d98e4a327bf..f24e9676f7a 100644
--- a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-request-body.smithy
+++ b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-request-body.smithy
@@ -5,6 +5,7 @@ namespace aws.protocoltests.restjson
 use aws.protocols#restJson1
 use smithy.test#httpMalformedRequestTests
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedRequestBody", method: "POST")
 operation MalformedRequestBody {
     input: MalformedRequestBodyInput
diff --git a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-set.smithy b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-set.smithy
index 9d85c29a2eb..f8d3985d210 100644
--- a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-set.smithy
+++ b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-set.smithy
@@ -5,6 +5,7 @@ namespace aws.protocoltests.restjson
 use aws.protocols#restJson1
 use smithy.test#httpMalformedRequestTests
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedSet", method: "POST")
 operation MalformedSet {
     input: MalformedSetInput
diff --git a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-short.smithy b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-short.smithy
index ecd7d36d485..c4cc5960169 100644
--- a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-short.smithy
+++ b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-short.smithy
@@ -5,6 +5,7 @@ namespace aws.protocoltests.restjson
 use aws.protocols#restJson1
 use smithy.test#httpMalformedRequestTests
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedShort/{shortInPath}", method: "POST")
 operation MalformedShort {
     input: MalformedShortInput
diff --git a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-string.smithy b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-string.smithy
index 050a2fe6012..7b267d09e4d 100644
--- a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-string.smithy
+++ b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-string.smithy
@@ -5,6 +5,7 @@ namespace aws.protocoltests.restjson
 use aws.protocols#restJson1
 use smithy.test#httpMalformedRequestTests
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedString", method: "POST")
 operation MalformedString {
     input: MalformedStringInput
diff --git a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-timestamp-body.smithy b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-timestamp-body.smithy
index 53dc104597e..94e297af729 100644
--- a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-timestamp-body.smithy
+++ b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-timestamp-body.smithy
@@ -5,16 +5,19 @@ namespace aws.protocoltests.restjson
 use aws.protocols#restJson1
 use smithy.test#httpMalformedRequestTests
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedTimestampBodyDefault", method: "POST")
 operation MalformedTimestampBodyDefault {
     input: MalformedTimestampBodyDefaultInput
 }
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedTimestampBodyDateTime", method: "POST")
 operation MalformedTimestampBodyDateTime {
     input: MalformedTimestampBodyDateTimeInput
 }
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedTimestampBodyHttpDate", method: "POST")
 operation MalformedTimestampBodyHttpDate {
     input: MalformedTimestampBodyHttpDateInput
diff --git a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-timestamp-header.smithy b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-timestamp-header.smithy
index e8cb5de6b8e..12428927e85 100644
--- a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-timestamp-header.smithy
+++ b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-timestamp-header.smithy
@@ -5,16 +5,19 @@ namespace aws.protocoltests.restjson
 use aws.protocols#restJson1
 use smithy.test#httpMalformedRequestTests
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedTimestampHeaderDefault", method: "POST")
 operation MalformedTimestampHeaderDefault {
     input: MalformedTimestampHeaderDefaultInput
 }
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedTimestampHeaderDateTime", method: "POST")
 operation MalformedTimestampHeaderDateTime {
     input: MalformedTimestampHeaderDateTimeInput
 }
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedTimestampHeaderEpoch", method: "POST")
 operation MalformedTimestampHeaderEpoch {
     input: MalformedTimestampHeaderEpochInput
diff --git a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-timestamp-path.smithy b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-timestamp-path.smithy
index 3ae671d5ba1..a5d52350247 100644
--- a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-timestamp-path.smithy
+++ b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-timestamp-path.smithy
@@ -5,16 +5,19 @@ namespace aws.protocoltests.restjson
 use aws.protocols#restJson1
 use smithy.test#httpMalformedRequestTests
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedTimestampPathDefault/{timestamp}", method: "POST")
 operation MalformedTimestampPathDefault {
     input: MalformedTimestampPathDefaultInput
 }
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedTimestampPathHttpDate/{timestamp}", method: "POST")
 operation MalformedTimestampPathHttpDate {
     input: MalformedTimestampPathHttpDateInput
 }
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedTimestampPathEpoch/{timestamp}", method: "POST")
 operation MalformedTimestampPathEpoch {
     input: MalformedTimestampPathEpochInput
diff --git a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-timestamp-query.smithy b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-timestamp-query.smithy
index e01472bcfbb..4f0c080f514 100644
--- a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-timestamp-query.smithy
+++ b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-timestamp-query.smithy
@@ -5,16 +5,19 @@ namespace aws.protocoltests.restjson
 use aws.protocols#restJson1
 use smithy.test#httpMalformedRequestTests
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedTimestampQueryDefault", method: "POST")
 operation MalformedTimestampQueryDefault {
     input: MalformedTimestampQueryDefaultInput
 }
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedTimestampQueryHttpDate", method: "POST")
 operation MalformedTimestampQueryHttpDate {
     input: MalformedTimestampQueryHttpDateInput
 }
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedTimestampQueryEpoch", method: "POST")
 operation MalformedTimestampQueryEpoch {
     input: MalformedTimestampQueryEpochInput
diff --git a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-union.smithy b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-union.smithy
index bf2fccc9248..55c25c62303 100644
--- a/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-union.smithy
+++ b/smithy-aws-protocol-tests/model/restJson1/malformedRequests/malformed-union.smithy
@@ -5,6 +5,7 @@ namespace aws.protocoltests.restjson
 use aws.protocols#restJson1
 use smithy.test#httpMalformedRequestTests
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedUnion", method: "POST")
 operation MalformedUnion {
     input: MalformedUnionInput
diff --git a/smithy-aws-protocol-tests/model/restJson1/validation/malformed-enum.smithy b/smithy-aws-protocol-tests/model/restJson1/validation/malformed-enum.smithy
index 58609772b97..2cfe976e079 100644
--- a/smithy-aws-protocol-tests/model/restJson1/validation/malformed-enum.smithy
+++ b/smithy-aws-protocol-tests/model/restJson1/validation/malformed-enum.smithy
@@ -6,6 +6,7 @@ use aws.protocols#restJson1
 use smithy.test#httpMalformedRequestTests
 use smithy.framework#ValidationException
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedEnum", method: "POST")
 operation MalformedEnum {
     input: MalformedEnumInput,
diff --git a/smithy-aws-protocol-tests/model/restJson1/validation/malformed-length.smithy b/smithy-aws-protocol-tests/model/restJson1/validation/malformed-length.smithy
index 27a7cf45704..25e863ec697 100644
--- a/smithy-aws-protocol-tests/model/restJson1/validation/malformed-length.smithy
+++ b/smithy-aws-protocol-tests/model/restJson1/validation/malformed-length.smithy
@@ -6,18 +6,21 @@ use aws.protocols#restJson1
 use smithy.test#httpMalformedRequestTests
 use smithy.framework#ValidationException
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedLength", method: "POST")
 operation MalformedLength {
     input: MalformedLengthInput,
     errors: [ValidationException]
 }
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedLengthOverride", method: "POST")
 operation MalformedLengthOverride {
     input: MalformedLengthOverrideInput,
     errors: [ValidationException]
 }
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedLengthQueryString", method: "POST")
 operation MalformedLengthQueryString {
     input: MalformedLengthQueryStringInput,
diff --git a/smithy-aws-protocol-tests/model/restJson1/validation/malformed-pattern.smithy b/smithy-aws-protocol-tests/model/restJson1/validation/malformed-pattern.smithy
index 3c851724463..31774172329 100644
--- a/smithy-aws-protocol-tests/model/restJson1/validation/malformed-pattern.smithy
+++ b/smithy-aws-protocol-tests/model/restJson1/validation/malformed-pattern.smithy
@@ -6,12 +6,14 @@ use aws.protocols#restJson1
 use smithy.test#httpMalformedRequestTests
 use smithy.framework#ValidationException
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedPattern", method: "POST")
 operation MalformedPattern {
     input: MalformedPatternInput,
     errors: [ValidationException]
 }
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedPatternOverride", method: "POST")
 operation MalformedPatternOverride {
     input: MalformedPatternOverrideInput,
diff --git a/smithy-aws-protocol-tests/model/restJson1/validation/malformed-range.smithy b/smithy-aws-protocol-tests/model/restJson1/validation/malformed-range.smithy
index 4d927bbfaa0..941181c3ba5 100644
--- a/smithy-aws-protocol-tests/model/restJson1/validation/malformed-range.smithy
+++ b/smithy-aws-protocol-tests/model/restJson1/validation/malformed-range.smithy
@@ -6,12 +6,14 @@ use aws.protocols#restJson1
 use smithy.test#httpMalformedRequestTests
 use smithy.framework#ValidationException
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedRange", method: "POST")
 operation MalformedRange {
     input: MalformedRangeInput,
     errors: [ValidationException]
 }
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedRangeOverride", method: "POST")
 operation MalformedRangeOverride {
     input: MalformedRangeOverrideInput,
diff --git a/smithy-aws-protocol-tests/model/restJson1/validation/malformed-required.smithy b/smithy-aws-protocol-tests/model/restJson1/validation/malformed-required.smithy
index 1b31db6540c..f684653c182 100644
--- a/smithy-aws-protocol-tests/model/restJson1/validation/malformed-required.smithy
+++ b/smithy-aws-protocol-tests/model/restJson1/validation/malformed-required.smithy
@@ -6,6 +6,7 @@ use aws.protocols#restJson1
 use smithy.test#httpMalformedRequestTests
 use smithy.framework#ValidationException
 
+@suppress(["UnstableTrait"])
 @http(uri: "/MalformedRequired", method: "POST")
 operation MalformedRequired {
     input: MalformedRequiredInput,
diff --git a/smithy-aws-protocol-tests/model/restJson1/validation/recursive-structures.smithy b/smithy-aws-protocol-tests/model/restJson1/validation/recursive-structures.smithy
index b0edee46b0b..54ba1a10b01 100644
--- a/smithy-aws-protocol-tests/model/restJson1/validation/recursive-structures.smithy
+++ b/smithy-aws-protocol-tests/model/restJson1/validation/recursive-structures.smithy
@@ -7,6 +7,7 @@ use smithy.test#httpMalformedRequestTests
 use smithy.test#httpRequestTests
 use smithy.framework#ValidationException
 
+@suppress(["UnstableTrait"])
 @http(uri: "/RecursiveStructures", method: "POST")
 operation RecursiveStructures {
     input: RecursiveStructuresInput,
diff --git a/smithy-aws-protocol-tests/model/restJson1/validation/sensitive-validation.smithy b/smithy-aws-protocol-tests/model/restJson1/validation/sensitive-validation.smithy
index a028a646aca..99a1c808869 100644
--- a/smithy-aws-protocol-tests/model/restJson1/validation/sensitive-validation.smithy
+++ b/smithy-aws-protocol-tests/model/restJson1/validation/sensitive-validation.smithy
@@ -6,6 +6,7 @@ use aws.protocols#restJson1
 use smithy.test#httpMalformedRequestTests
 use smithy.framework#ValidationException
 
+@suppress(["UnstableTrait"])
 @http(uri: "/SensitiveValidation", method: "POST")
 operation SensitiveValidation {
     input: SensitiveValidationInput,