diff --git a/specification/containerservice/Fleet.Management/examples/2022-09-02-preview/Fleets_PatchTags.json b/specification/containerservice/Fleet.Management/examples/2022-09-02-preview/Fleets_PatchTags.json
index 82ef0dd65960..fa097d7b944c 100644
--- a/specification/containerservice/Fleet.Management/examples/2022-09-02-preview/Fleets_PatchTags.json
+++ b/specification/containerservice/Fleet.Management/examples/2022-09-02-preview/Fleets_PatchTags.json
@@ -46,12 +46,6 @@
           "provisioningState": "Succeeded"
         }
       }
-    },
-    "202": {
-      "headers": {
-        "Retry-After": "20",
-        "Location": "https://management.azure.com/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/myResourceGroup/providers/Microsoft.ContainerService/locations/eastus/operations/00000000-0000-0000-0000-000000000000?api-version=2022-02-01"
-      }
     }
   }
 }
diff --git a/specification/containerservice/Fleet.Management/examples/2023-03-15-preview/Fleets_PatchTags.json b/specification/containerservice/Fleet.Management/examples/2023-03-15-preview/Fleets_PatchTags.json
index ddb7e8f16dec..455ebc78a602 100644
--- a/specification/containerservice/Fleet.Management/examples/2023-03-15-preview/Fleets_PatchTags.json
+++ b/specification/containerservice/Fleet.Management/examples/2023-03-15-preview/Fleets_PatchTags.json
@@ -46,12 +46,6 @@
           "provisioningState": "Succeeded"
         }
       }
-    },
-    "202": {
-      "headers": {
-        "Retry-After": "20",
-        "Location": "https://management.azure.com/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/myResourceGroup/providers/Microsoft.ContainerService/locations/eastus/operations/00000000-0000-0000-0000-000000000000?api-version=2022-02-01"
-      }
     }
   }
 }
diff --git a/specification/containerservice/Fleet.Management/fleet.tsp b/specification/containerservice/Fleet.Management/fleet.tsp
index 01ebf35a401a..bd588fdd1147 100644
--- a/specification/containerservice/Fleet.Management/fleet.tsp
+++ b/specification/containerservice/Fleet.Management/fleet.tsp
@@ -174,12 +174,27 @@ interface Fleets {
       IfNoneMatchParameters<Fleet>
   >;
 
-  update is ArmCustomPatchAsync<
+  #suppress "@azure-tools/typespec-providerhub/non-breaking-versioning" "Actual breaking change"
+  @sharedRoute
+  @removed(Versions.v2023_06_15_preview)
+  update is ArmCustomPatchSync<
     Fleet,
     FleetPatch,
     BaseParameters<Fleet> & IfMatchParameters<Fleet>
   >;
 
+  #suppress "@azure-tools/typespec-azure-core/no-operation-id" "Use operationId to keep same name as deprecated sync operation"
+  @added(Versions.v2023_06_15_preview)
+  @operationId("Fleets_Update")
+  @sharedRoute
+  updateAsync is ArmCustomPatchAsync<
+    Fleet,
+    FleetPatch,
+    BaseParameters<Fleet> & IfMatchParameters<Fleet>
+  >;
+
+  @sharedRoute // why do we need to set shared route on delete? compiler complains with an error
+  // All shared routes must agree on the value of the shared parameter.TypeSpec(@typespec/http/shared-inconsistency)
   delete is ArmResourceDeleteAsync<
     Fleet,
     BaseParameters<Fleet> & IfMatchParameters<Fleet>
diff --git a/specification/containerservice/resource-manager/Microsoft.ContainerService/fleet/preview/2022-09-02-preview/examples/Fleets_PatchTags.json b/specification/containerservice/resource-manager/Microsoft.ContainerService/fleet/preview/2022-09-02-preview/examples/Fleets_PatchTags.json
index 82ef0dd65960..fa097d7b944c 100644
--- a/specification/containerservice/resource-manager/Microsoft.ContainerService/fleet/preview/2022-09-02-preview/examples/Fleets_PatchTags.json
+++ b/specification/containerservice/resource-manager/Microsoft.ContainerService/fleet/preview/2022-09-02-preview/examples/Fleets_PatchTags.json
@@ -46,12 +46,6 @@
           "provisioningState": "Succeeded"
         }
       }
-    },
-    "202": {
-      "headers": {
-        "Retry-After": "20",
-        "Location": "https://management.azure.com/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/myResourceGroup/providers/Microsoft.ContainerService/locations/eastus/operations/00000000-0000-0000-0000-000000000000?api-version=2022-02-01"
-      }
     }
   }
 }
diff --git a/specification/containerservice/resource-manager/Microsoft.ContainerService/fleet/preview/2022-09-02-preview/fleets.json b/specification/containerservice/resource-manager/Microsoft.ContainerService/fleet/preview/2022-09-02-preview/fleets.json
index ead0675e555c..35c7a88998e7 100644
--- a/specification/containerservice/resource-manager/Microsoft.ContainerService/fleet/preview/2022-09-02-preview/fleets.json
+++ b/specification/containerservice/resource-manager/Microsoft.ContainerService/fleet/preview/2022-09-02-preview/fleets.json
@@ -355,20 +355,6 @@
               "$ref": "#/definitions/Fleet"
             }
           },
-          "202": {
-            "description": "Resource update request accepted.",
-            "headers": {
-              "Retry-After": {
-                "type": "integer",
-                "format": "int32",
-                "description": "The Retry-After header can indicate how long the client should wait before polling the operation status."
-              },
-              "Location": {
-                "type": "string",
-                "description": "The Location header contains the URL where the status of the long running operation can be checked."
-              }
-            }
-          },
           "default": {
             "description": "An unexpected error response.",
             "schema": {
@@ -380,11 +366,7 @@
           "Update a Fleet.": {
             "$ref": "./examples/Fleets_PatchTags.json"
           }
-        },
-        "x-ms-long-running-operation-options": {
-          "final-state-via": "location"
-        },
-        "x-ms-long-running-operation": true
+        }
       },
       "delete": {
         "operationId": "Fleets_Delete",
diff --git a/specification/containerservice/resource-manager/Microsoft.ContainerService/fleet/preview/2023-03-15-preview/examples/Fleets_PatchTags.json b/specification/containerservice/resource-manager/Microsoft.ContainerService/fleet/preview/2023-03-15-preview/examples/Fleets_PatchTags.json
index ddb7e8f16dec..455ebc78a602 100644
--- a/specification/containerservice/resource-manager/Microsoft.ContainerService/fleet/preview/2023-03-15-preview/examples/Fleets_PatchTags.json
+++ b/specification/containerservice/resource-manager/Microsoft.ContainerService/fleet/preview/2023-03-15-preview/examples/Fleets_PatchTags.json
@@ -46,12 +46,6 @@
           "provisioningState": "Succeeded"
         }
       }
-    },
-    "202": {
-      "headers": {
-        "Retry-After": "20",
-        "Location": "https://management.azure.com/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/myResourceGroup/providers/Microsoft.ContainerService/locations/eastus/operations/00000000-0000-0000-0000-000000000000?api-version=2022-02-01"
-      }
     }
   }
 }
diff --git a/specification/containerservice/resource-manager/Microsoft.ContainerService/fleet/preview/2023-03-15-preview/fleets.json b/specification/containerservice/resource-manager/Microsoft.ContainerService/fleet/preview/2023-03-15-preview/fleets.json
index 1116a74960de..86b76a4d9966 100644
--- a/specification/containerservice/resource-manager/Microsoft.ContainerService/fleet/preview/2023-03-15-preview/fleets.json
+++ b/specification/containerservice/resource-manager/Microsoft.ContainerService/fleet/preview/2023-03-15-preview/fleets.json
@@ -358,20 +358,6 @@
               "$ref": "#/definitions/Fleet"
             }
           },
-          "202": {
-            "description": "Resource update request accepted.",
-            "headers": {
-              "Retry-After": {
-                "type": "integer",
-                "format": "int32",
-                "description": "The Retry-After header can indicate how long the client should wait before polling the operation status."
-              },
-              "Location": {
-                "type": "string",
-                "description": "The Location header contains the URL where the status of the long running operation can be checked."
-              }
-            }
-          },
           "default": {
             "description": "An unexpected error response.",
             "schema": {
@@ -383,11 +369,7 @@
           "Update a Fleet.": {
             "$ref": "./examples/Fleets_PatchTags.json"
           }
-        },
-        "x-ms-long-running-operation-options": {
-          "final-state-via": "location"
-        },
-        "x-ms-long-running-operation": true
+        }
       },
       "delete": {
         "operationId": "Fleets_Delete",