diff --git a/docs/_static/i18n.csv b/docs/_static/i18n.csv
index bb5cfd8e..45a581b6 100644
--- a/docs/_static/i18n.csv
+++ b/docs/_static/i18n.csv
@@ -290,21 +290,6 @@ contractingProcesses/summary/milestones/dueDate,Due date,False,
 contractingProcesses/summary/milestones/dateMet,Date met,False,
 contractingProcesses/summary/milestones/dateModified,Date modified,False,
 contractingProcesses/summary/milestones/status,Status,False,
-contractingProcesses/summary/milestones/documents,Documents,False,
-contractingProcesses/summary/milestones/documents,Document,False,
-contractingProcesses/summary/milestones/documents/id,ID,True,
-contractingProcesses/summary/milestones/documents/documentType,Document type,False,
-contractingProcesses/summary/milestones/documents/title,Title,True,
-contractingProcesses/summary/milestones/documents/description,Description,True,
-contractingProcesses/summary/milestones/documents/url,URL,False,
-contractingProcesses/summary/milestones/documents/datePublished,Date published,False,
-contractingProcesses/summary/milestones/documents/dateModified,Date modified,False,
-contractingProcesses/summary/milestones/documents/format,Format,True,
-contractingProcesses/summary/milestones/documents/language,Language,True,
-contractingProcesses/summary/milestones/documents/pageStart,Page start,True,
-contractingProcesses/summary/milestones/documents/pageEnd,Page end,True,
-contractingProcesses/summary/milestones/documents/accessDetails,Access details,True,
-contractingProcesses/summary/milestones/documents/author,Author,True,
 contractingProcesses/releases,Linked releases,False,
 contractingProcesses/releases,Release,False,
 contractingProcesses/releases/id,ID,True,
@@ -370,21 +355,6 @@ milestones/dueDate,Due date,False,
 milestones/dateMet,Date met,False,
 milestones/dateModified,Date modified,False,
 milestones/status,Status,False,
-milestones/documents,Documents,False,
-milestones/documents,Document,False,
-milestones/documents/id,ID,True,
-milestones/documents/documentType,Document type,False,
-milestones/documents/title,Title,True,
-milestones/documents/description,Description,True,
-milestones/documents/url,URL,False,
-milestones/documents/datePublished,Date published,False,
-milestones/documents/dateModified,Date modified,False,
-milestones/documents/format,Format,True,
-milestones/documents/language,Language,True,
-milestones/documents/pageStart,Page start,True,
-milestones/documents/pageEnd,Page end,True,
-milestones/documents/accessDetails,Access details,True,
-milestones/documents/author,Author,True,
 completion,Completion,False,
 completion/endDate,End date,False,
 completion/endDateDetails,End date details,True,
diff --git a/docs/reference/schema.md b/docs/reference/schema.md
index 309cc8d4..23e72b19 100644
--- a/docs/reference/schema.md
+++ b/docs/reference/schema.md
@@ -687,7 +687,6 @@ Each `BudgetBreakdown` has the following fields:
 This sub-schema is referenced by the following properties:
 * [`documents`](project-schema.json,,documents)
 * [`ContractingProcessSummary/documents`](project-schema.json,/definitions/ContractingProcessSummary,documents)
-* [`Milestone/documents`](project-schema.json,/definitions/Milestone,documents)
 
 Each `Document` has the following fields:
 
@@ -715,16 +714,6 @@ Each `Document` has the following fields:
 :title: contractingProcesses/0/summary/documents
 ```
 
-```{jsoninclude} ../../docs/examples/example.json
-:jsonpointer: /projects/0/contractingProcesses/0/summary/milestones/0/documents
-:title: contractingProcesses/0/summary/milestones/0/documents
-```
-
-```{jsoninclude} ../../docs/examples/example.json
-:jsonpointer: /projects/0/milestones/0/documents
-:title: milestones/0/documents
-```
-
 ````
 
 `````
@@ -1026,7 +1015,7 @@ Each `Milestone` has the following fields:
 
 ```{jsonschema} ../../build/current_lang/project-schema.json
 :pointer: /definitions/Milestone
-:collapse: id,title,type,description,code,dueDate,dateMet,dateModified,status,documents
+:collapse: id,title,type,description,code,dueDate,dateMet,dateModified,status
 :addtargets:
 ```
 
diff --git a/manage.py b/manage.py
index 133605d2..fcfb9d28 100755
--- a/manage.py
+++ b/manage.py
@@ -740,6 +740,8 @@ def copy_element(name, replacements=None, root='definitions'):
     schema['definitions']['Milestone']['properties']['id']['description'] = "A local identifier for this milestone, unique within this block."  # noqa: E501
     # Original from standard: "Milestone codes can be used to track specific events that take place for a particular kind of contracting process. For example, a code of 'approvalLetter' can be used to allow applications to understand this milestone represents the date an approvalLetter is due or signed." # noqa: E501
     schema['definitions']['Milestone']['properties']['code']['description'] = "Milestone codes can be used to track specific events that take place for a particular kind of project or contracting process. For example, a code of 'approvalLetter' can be used to allow applications to understand this milestone represents the date an approvalLetter is due or signed."  # noqa: E501
+    # Remove deprecated milestone documents field
+    del schema['definitions']['Milestone']['properties']['documents']
 
     copy_element('MilestoneReference', {
         # Remove reference to release, add reference to project.
diff --git a/schema/project-level/project-schema.json b/schema/project-level/project-schema.json
index 915f613b..31606722 100644
--- a/schema/project-level/project-schema.json
+++ b/schema/project-level/project-schema.json
@@ -1970,16 +1970,6 @@
           ],
           "codelist": "milestoneStatus.csv",
           "openCodelist": false
-        },
-        "documents": {
-          "title": "Documents",
-          "description": "List of documents associated with this milestone (Deprecated in 1.1).",
-          "type": "array",
-          "items": {
-            "$ref": "#/definitions/Document"
-          },
-          "uniqueItems": true,
-          "minItems": 1
         }
       },
       "minProperties": 1