diff --git a/botocore/data/aws/route53/2013-04-01.json b/botocore/data/aws/route53/2013-04-01.json
index 8996c1cc26..36ad1c6a11 100644
--- a/botocore/data/aws/route53/2013-04-01.json
+++ b/botocore/data/aws/route53/2013-04-01.json
@@ -388,8 +388,7 @@
                                 "type": "string",
                                 "max_length": 15,
                                 "pattern": "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$",
-                                "documentation": "\n    <p>IP Address of the instance being checked. </p>\n   ",
-                                "required": true
+                                "documentation": "\n    <p>IP Address of the instance being checked. </p>\n   "
                             },
                             "Port": {
                                 "shape_name": "Port",
@@ -496,8 +495,7 @@
                                         "type": "string",
                                         "max_length": 15,
                                         "pattern": "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$",
-                                        "documentation": "\n    <p>IP Address of the instance being checked. </p>\n   ",
-                                        "required": true
+                                        "documentation": "\n    <p>IP Address of the instance being checked. </p>\n   "
                                     },
                                     "Port": {
                                         "shape_name": "Port",
@@ -1252,8 +1250,7 @@
                                         "type": "string",
                                         "max_length": 15,
                                         "pattern": "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$",
-                                        "documentation": "\n    <p>IP Address of the instance being checked. </p>\n   ",
-                                        "required": true
+                                        "documentation": "\n    <p>IP Address of the instance being checked. </p>\n   "
                                     },
                                     "Port": {
                                         "shape_name": "Port",
@@ -1587,8 +1584,7 @@
                                             "type": "string",
                                             "max_length": 15,
                                             "pattern": "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$",
-                                            "documentation": "\n    <p>IP Address of the instance being checked. </p>\n   ",
-                                            "required": true
+                                            "documentation": "\n    <p>IP Address of the instance being checked. </p>\n   "
                                         },
                                         "Port": {
                                             "shape_name": "Port",
diff --git a/services/route53.json b/services/route53.json
index 1699ea3759..256c5eddb1 100644
--- a/services/route53.json
+++ b/services/route53.json
@@ -388,8 +388,7 @@
                 "type": "string",
                 "max_length": 15,
                 "pattern": "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$",
-                "documentation": "\n    <p>IP Address of the instance being checked. </p>\n   ",
-                "required": true
+                "documentation": "\n    <p>IP Address of the instance being checked. </p>\n   "
               },
               "Port": {
                 "shape_name": "Port",
@@ -496,8 +495,7 @@
                     "type": "string",
                     "max_length": 15,
                     "pattern": "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$",
-                    "documentation": "\n    <p>IP Address of the instance being checked. </p>\n   ",
-                    "required": true
+                    "documentation": "\n    <p>IP Address of the instance being checked. </p>\n   "
                   },
                   "Port": {
                     "shape_name": "Port",
@@ -1253,8 +1251,7 @@
                     "type": "string",
                     "max_length": 15,
                     "pattern": "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$",
-                    "documentation": "\n    <p>IP Address of the instance being checked. </p>\n   ",
-                    "required": true
+                    "documentation": "\n    <p>IP Address of the instance being checked. </p>\n   "
                   },
                   "Port": {
                     "shape_name": "Port",
@@ -1588,8 +1585,7 @@
                       "type": "string",
                       "max_length": 15,
                       "pattern": "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$",
-                      "documentation": "\n    <p>IP Address of the instance being checked. </p>\n   ",
-                      "required": true
+                      "documentation": "\n    <p>IP Address of the instance being checked. </p>\n   "
                     },
                     "Port": {
                       "shape_name": "Port",