diff --git a/Gemfile.lock b/Gemfile.lock
index 60fe4bcea..9a0d56670 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -440,7 +440,7 @@ GEM
     loofah (2.25.2)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
-    mail (2.9.0)
+    mail (2.9.1)
       logger
       mini_mime (>= 0.1.1)
       net-imap
diff --git a/app/jobs/enrichment_batch_process_job.rb b/app/jobs/enrichment_batch_process_job.rb
index 7c9faeb5d..df1311776 100644
--- a/app/jobs/enrichment_batch_process_job.rb
+++ b/app/jobs/enrichment_batch_process_job.rb
@@ -47,8 +47,6 @@ def perform(lines, filename, source_id)
           filename: filename,
           doi: uid,
           source_id: source_id,
-          contributors: parsed_line["contributors"],
-          resources: parsed_line["resources"],
           field: parsed_line["field"],
           action: parsed_line["action"],
           original_value: parsed_line["originalValue"],
diff --git a/app/models/enrichment.rb b/app/models/enrichment.rb
index 79a555996..9b4e5e19e 100644
--- a/app/models/enrichment.rb
+++ b/app/models/enrichment.rb
@@ -48,8 +48,7 @@ def validate_json_schema
     def to_enrichment_hash
       {
         "doi" => doi,
-        "contributors" => contributors,
-        "resources" => resources,
+        "sourceId" => source_id,
         "field" => field,
         "action" => action,
         "originalValue" => original_value,
diff --git a/app/models/schemas/enrichment/enrichment.json b/app/models/schemas/enrichment/enrichment.json
index ea2382201..b4bd0b875 100644
--- a/app/models/schemas/enrichment/enrichment.json
+++ b/app/models/schemas/enrichment/enrichment.json
@@ -7,76 +7,6 @@
       "type": "string",
       "description": "The target DOI of the enrichment record."
     },
-    "contributors": {
-      "type": "array",
-      "minItems": 1,
-      "description": "The source entities of the enrichment represented as an array of contributors",
-      "items": {
-        "type": "object",
-        "additionalProperties": false,
-        "required": ["name", "contributorType"],
-        "properties": {
-          "name": {
-            "type": "string"
-          },
-          "nameType": {
-            "$ref": "#/definitions/nameType"
-          },
-          "givenName": {
-            "type": ["string", "null"]
-          },
-          "familyName": {
-            "type": ["string", "null"]
-          },
-          "lang": {
-            "type": ["string", "null"]
-          },
-          "affiliation": {
-            "$ref": "#/definitions/affiliations"
-          },
-          "nameIdentifiers": {
-            "$ref": "#/definitions/nameIdentifiers"
-          },
-          "contributorType": {
-            "$ref": "#/definitions/contributorTypes"
-          }
-        }
-      }
-    },
-    "resources": {
-      "type": "array",
-      "minItems": 1,
-      "description": "The processes that produced the enrichment represented as an array of relatedIdentifiers",
-      "items": {
-        "type": "object",
-        "additionalProperties": false,
-        "required": [
-          "relatedIdentifier",
-          "relationType",
-          "relatedIdentifierType"
-        ],
-        "properties": {
-          "relatedIdentifier": {
-            "type": "string"
-          },
-          "relationType": {
-            "$ref": "#/definitions/relationTypes"
-          },
-          "relatedIdentifierType": {
-            "$ref": "#/definitions/relatedIdentifierTypes"
-          },
-          "relatedMetadataScheme": {
-            "type": "string"
-          },
-          "schemeUri": {
-            "type": "string"
-          },
-          "resourceTypeGeneral": {
-            "$ref": "#/definitions/resourceTypeGeneral"
-          }
-        }
-      }
-    },
     "field": {
       "type": "string",
       "description": "The top-level field to enrich.",
@@ -140,9 +70,13 @@
           "type": "array"
         }
       ]
+    },
+    "sourceId": {
+      "type": "string",
+      "description": "The source id (DOI) of the enrichment record."
     }
   },
-  "required": ["doi", "contributors", "resources", "action", "field"],
+  "required": ["doi", "action", "field", "sourceId"],
   "allOf": [
     {
       "if": {
@@ -168,192 +102,5 @@
         "required": ["enrichedValue"]
       }
     }
-  ],
-  "definitions": {
-    "nameType": {
-      "anyOf": [
-        {
-          "type": "string",
-          "enum": ["Organizational", "Personal"]
-        },
-        {
-          "type": "null"
-        }
-      ]
-    },
-    "affiliations": {
-      "type": "array",
-      "items": {
-        "type": "object",
-        "required": ["name"],
-        "additionalProperties": false,
-        "properties": {
-          "affiliationIdentifier": {
-            "type": ["string", "null"]
-          },
-          "affiliationIdentifierScheme": {
-            "type": ["string", "null"]
-          },
-          "name": {
-            "type": "string"
-          },
-          "schemeUri": {
-            "type": ["string", "null"]
-          }
-        }
-      }
-    },
-    "nameIdentifiers": {
-      "type": "array",
-      "items": {
-        "type": "object",
-        "required": ["nameIdentifier", "nameIdentifierScheme"],
-        "additionalProperties": false,
-        "properties": {
-          "schemeUri": {
-            "type": ["string", "null"]
-          },
-          "nameIdentifier": {
-            "type": "string"
-          },
-          "nameIdentifierScheme": {
-            "type": "string"
-          }
-        }
-      }
-    },
-    "relationTypes": {
-      "type": "string",
-      "enum": [
-        "IsCitedBy",
-        "Cites",
-        "IsSupplementTo",
-        "IsSupplementedBy",
-        "IsContinuedBy",
-        "Continues",
-        "IsDescribedBy",
-        "Describes",
-        "HasMetadata",
-        "IsMetadataFor",
-        "HasVersion",
-        "IsVersionOf",
-        "IsNewVersionOf",
-        "IsPreviousVersionOf",
-        "IsPartOf",
-        "HasPart",
-        "IsPublishedIn",
-        "IsReferencedBy",
-        "References",
-        "IsDocumentedBy",
-        "Documents",
-        "IsCompiledBy",
-        "Compiles",
-        "IsVariantFormOf",
-        "IsOriginalFormOf",
-        "IsIdenticalTo",
-        "IsReviewedBy",
-        "Reviews",
-        "IsDerivedFrom",
-        "IsSourceOf",
-        "IsRequiredBy",
-        "Requires",
-        "IsObsoletedBy",
-        "Obsoletes",
-        "IsCollectedBy",
-        "Collects",
-        "IsTranslationOf",
-        "HasTranslation"
-      ]
-    },
-    "relatedIdentifierTypes": {
-      "type": "string",
-      "enum": [
-        "ARK",
-        "arXiv",
-        "bibcode",
-        "CSTR",
-        "DOI",
-        "EAN13",
-        "EISSN",
-        "Handle",
-        "IGSN",
-        "ISBN",
-        "ISSN",
-        "ISTC",
-        "LISSN",
-        "LSID",
-        "PMID",
-        "PURL",
-        "RRID",
-        "UPC",
-        "URL",
-        "URN",
-        "w3id"
-      ]
-    },
-    "resourceTypeGeneral": {
-      "type": "string",
-      "enum": [
-        "Audiovisual",
-        "Award",
-        "Book",
-        "BookChapter",
-        "Collection",
-        "ComputationalNotebook",
-        "ConferencePaper",
-        "ConferenceProceeding",
-        "DataPaper",
-        "Dataset",
-        "Dissertation",
-        "Event",
-        "Image",
-        "InteractiveResource",
-        "Instrument",
-        "Journal",
-        "JournalArticle",
-        "Model",
-        "OutputManagementPlan",
-        "PeerReview",
-        "PhysicalObject",
-        "Preprint",
-        "Project",
-        "Report",
-        "Service",
-        "Software",
-        "Sound",
-        "Standard",
-        "StudyRegistration",
-        "Text",
-        "Workflow",
-        "Other"
-      ]
-    },
-    "contributorTypes": {
-      "type": "string",
-      "enum": [
-        "ContactPerson",
-        "DataCollector",
-        "DataCurator",
-        "DataManager",
-        "Distributor",
-        "Editor",
-        "HostingInstitution",
-        "Producer",
-        "ProjectLeader",
-        "ProjectManager",
-        "ProjectMember",
-        "RegistrationAgency",
-        "RegistrationAuthority",
-        "RelatedPerson",
-        "Researcher",
-        "ResearchGroup",
-        "RightsHolder",
-        "Sponsor",
-        "Supervisor",
-        "Translator",
-        "WorkPackageLeader",
-        "Other"
-      ]
-    }
-  }
+  ]
 }
diff --git a/app/serializers/enrichment_serializer.rb b/app/serializers/enrichment_serializer.rb
index 1b1092858..8026dbe91 100644
--- a/app/serializers/enrichment_serializer.rb
+++ b/app/serializers/enrichment_serializer.rb
@@ -8,8 +8,7 @@ class EnrichmentSerializer
   set_id :uuid
 
   attributes :doi,
-             :contributors,
-             :resources,
+             :source_id,
              :field,
              :action,
              :original_value,
diff --git a/db/migrate/20260804153743_remove_contributors_from_enrichments.rb b/db/migrate/20260804153743_remove_contributors_from_enrichments.rb
new file mode 100644
index 000000000..a49793728
--- /dev/null
+++ b/db/migrate/20260804153743_remove_contributors_from_enrichments.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class RemoveContributorsFromEnrichments < ActiveRecord::Migration[7.2]
+  disable_departure!
+
+  def change
+    remove_column :enrichments, :contributors, :json, null: false
+  end
+end
diff --git a/db/migrate/20260804154200_remove_resources_from_enrichments.rb b/db/migrate/20260804154200_remove_resources_from_enrichments.rb
new file mode 100644
index 000000000..5f6e3ba85
--- /dev/null
+++ b/db/migrate/20260804154200_remove_resources_from_enrichments.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class RemoveResourcesFromEnrichments < ActiveRecord::Migration[7.2]
+  disable_departure!
+
+  def change
+    remove_column :enrichments, :resources, :json, null: false
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 537a39f75..97bbf234b 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.1].define(version: 2026_06_17_100000) do
+ActiveRecord::Schema[8.1].define(version: 2026_08_04_154200) do
   create_table "active_storage_attachments", charset: "utf8mb4", collation: "utf8mb4_0900_ai_ci", force: :cascade do |t|
     t.bigint "blob_id", null: false
     t.datetime "created_at", null: false
@@ -255,14 +255,12 @@
 
   create_table "enrichments", charset: "utf8mb3", force: :cascade do |t|
     t.string "action", null: false
-    t.json "contributors", null: false
     t.datetime "created_at", null: false
     t.string "doi", null: false
     t.json "enriched_value"
     t.string "field", null: false
     t.string "filename"
     t.json "original_value"
-    t.json "resources", null: false
     t.string "source_id", null: false
     t.datetime "updated_at", null: false
     t.string "uuid", limit: 36, null: false
diff --git a/spec/factories/enrichment.rb b/spec/factories/enrichment.rb
index 1ff7c52d0..0e2f6e2ae 100644
--- a/spec/factories/enrichment.rb
+++ b/spec/factories/enrichment.rb
@@ -6,7 +6,7 @@
 
     field { "creators" }
     action { "updateChild" }
-    source_id { "datacite.comet" }
+    source_id { "10.0000/fake.test.doi.2026.001" }
 
     original_value do
       {
@@ -34,14 +34,6 @@
       }
     end
 
-    contributors do
-      [{ "name" => "DataCite COMET", "contributorType" => "DataCurator" }]
-    end
-
-    resources do
-      [{ "relatedIdentifier" => "https://ror.org/04wxnsj81", "relationType" => "IsDerivedFrom", "relatedIdentifierType" => "URL" }]
-    end
-
     transient do
       doi { nil }
     end
diff --git a/spec/requests/datacite_dois/datacite_dois_spec.rb b/spec/requests/datacite_dois/datacite_dois_spec.rb
index 3dbf8801a..2d45937f4 100755
--- a/spec/requests/datacite_dois/datacite_dois_spec.rb
+++ b/spec/requests/datacite_dois/datacite_dois_spec.rb
@@ -2374,41 +2374,11 @@ def refresh_enriched_doi_index
       end
     end
     let!(:enrichment_for_doi_with_invalid_url) { create(:enrichment, doi: doi_with_invalid_url.doi) }
-    let(:doi_with_contributor) do
-      create(:doi, client: client, aasm_state: "findable", contributors: [{
-        "name" => "Arslan, M.",
-        "givenName" => "M.",
-        "familyName" => "Arslan",
-        "contributorType" => "ContactPerson",
-        "affiliation" => [],
-      }])
-    end
-    let!(:enrichment_with_invalid_contributor) { create(:enrichment,
-      doi: doi_with_contributor.doi,
-      field: "contributors",
-      original_value: doi_with_contributor.contributors.first,
-      enriched_value: {
-        "name" => "Arslan, M.",
-        "givenName" => "M.",
-        "familyName" => "Arslan",
-        "contributorType" => "Funder",
-        "affiliation" => [
-          {
-            "name": "UNSW Sydney, neilcmalan@gmail.com",
-            "schemeUri": "https://ror.org",
-            "affiliationIdentifier": "https://ror.org/03r8z3t63",
-            "affiliationIdentifierScheme": "ROR"
-          }
-        ],
-        "nameIdentifiers" => [],
-      }) }
 
     before do
       IndexJobDoiRegistration.perform_now(doi)
       IndexJobDoiRegistration.perform_now(doi_with_invalid_url)
-      IndexJobDoiRegistration.perform_now(doi_with_contributor)
       EnrichedDoiIndexJob.perform_now(doi_with_invalid_url.doi)
-      EnrichedDoiIndexJob.perform_now(doi_with_contributor.doi)
       import_doi_index
       refresh_enriched_doi_index
     end
@@ -2525,38 +2495,5 @@ def refresh_enriched_doi_index
         expect(json.dig("data", 0, "relationships", "enrichments", "data").count).to eq(1)
       end
     end
-
-    context "when an enrichment record has an invalid contributor" do
-      it "returns the original value at /dois" do
-        get "/dois?query=doi:#{doi_with_contributor.doi}", nil, headers
-        expect(last_response.status).to eq(200)
-        expect(json.dig("data").size).to eq(1)
-        expect(json.dig("data", 0, "attributes", "doi")).to eq(doi_with_contributor.doi.downcase)
-        expect(json.dig("data", 0, "attributes", "contributors")).to eq([{
-          "name" => "Arslan, M.",
-          "givenName" => "M.",
-          "familyName" => "Arslan",
-          "contributorType" => "ContactPerson",
-          "affiliation" => [],
-          "nameIdentifiers" => [],
-        }])
-      end
-
-      it "returns the original value at /dois?enriched=true" do
-        get "/dois?query=doi:#{doi_with_contributor.doi}&enriched=true", nil, headers
-        expect(last_response.status).to eq(200)
-        expect(json.dig("data").size).to eq(1)
-        expect(json.dig("data", 0, "attributes", "doi")).to eq(doi_with_contributor.doi.downcase)
-        expect(json.dig("data", 0, "attributes", "contributors")).to eq([{
-          "name" => "Arslan, M.",
-          "givenName" => "M.",
-          "familyName" => "Arslan",
-          "contributorType" => "ContactPerson",
-          "affiliation" => [],
-          "nameIdentifiers" => [],
-        }])
-        expect(json.dig("data", 0, "relationships", "enrichments", "data").count).to eq(0)
-      end
-    end
   end
 end