diff --git a/src/claimDefinitions/devto.js b/src/claimDefinitions/devto.js
index b6ed1b9..81f4656 100644
--- a/src/claimDefinitions/devto.js
+++ b/src/claimDefinitions/devto.js
@@ -47,7 +47,7 @@ const processURI = (uri) => {
       }
     },
     claim: {
-      format: E.ClaimFormat.MESSAGE,
+      format: E.ClaimFormat.URI,
       relation: E.ClaimRelation.CONTAINS,
       path: ['body_markdown']
     }
diff --git a/src/claimDefinitions/discourse.js b/src/claimDefinitions/discourse.js
index d044aa3..e2c376b 100644
--- a/src/claimDefinitions/discourse.js
+++ b/src/claimDefinitions/discourse.js
@@ -47,7 +47,7 @@ const processURI = (uri) => {
       }
     },
     claim: {
-      format: E.ClaimFormat.MESSAGE,
+      format: E.ClaimFormat.URI,
       relation: E.ClaimRelation.CONTAINS,
       path: ['user', 'bio_raw']
     }
diff --git a/src/claimDefinitions/gitea.js b/src/claimDefinitions/gitea.js
index dab70a8..cf2ad16 100644
--- a/src/claimDefinitions/gitea.js
+++ b/src/claimDefinitions/gitea.js
@@ -47,7 +47,7 @@ const processURI = (uri) => {
       }
     },
     claim: {
-      format: E.ClaimFormat.MESSAGE,
+      format: E.ClaimFormat.URI,
       relation: E.ClaimRelation.EQUALS,
       path: ['description']
     }
diff --git a/src/claimDefinitions/github.js b/src/claimDefinitions/github.js
index c90f688..3849596 100644
--- a/src/claimDefinitions/github.js
+++ b/src/claimDefinitions/github.js
@@ -47,7 +47,7 @@ const processURI = (uri) => {
       }
     },
     claim: {
-      format: E.ClaimFormat.MESSAGE,
+      format: E.ClaimFormat.URI,
       relation: E.ClaimRelation.CONTAINS,
       path: ['files', 'openpgp.md', 'content']
     }
diff --git a/src/claimDefinitions/gitlab.js b/src/claimDefinitions/gitlab.js
index 130d5ec..e4a2923 100644
--- a/src/claimDefinitions/gitlab.js
+++ b/src/claimDefinitions/gitlab.js
@@ -47,7 +47,7 @@ const processURI = (uri) => {
       }
     },
     claim: {
-      format: E.ClaimFormat.MESSAGE,
+      format: E.ClaimFormat.URI,
       relation: E.ClaimRelation.EQUALS,
       path: ['description']
     }
diff --git a/src/claimDefinitions/liberapay.js b/src/claimDefinitions/liberapay.js
index 8e0faa8..2feb1f8 100644
--- a/src/claimDefinitions/liberapay.js
+++ b/src/claimDefinitions/liberapay.js
@@ -47,7 +47,7 @@ const processURI = (uri) => {
       }
     },
     claim: {
-      format: E.ClaimFormat.MESSAGE,
+      format: E.ClaimFormat.URI,
       relation: E.ClaimRelation.CONTAINS,
       path: ['statements', 'content']
     }
diff --git a/src/claimDefinitions/lobsters.js b/src/claimDefinitions/lobsters.js
index a33e9e6..020a9de 100644
--- a/src/claimDefinitions/lobsters.js
+++ b/src/claimDefinitions/lobsters.js
@@ -47,7 +47,7 @@ const processURI = (uri) => {
       }
     },
     claim: {
-      format: E.ClaimFormat.MESSAGE,
+      format: E.ClaimFormat.URI,
       relation: E.ClaimRelation.CONTAINS,
       path: ['about']
     }
diff --git a/src/claimDefinitions/matrix.js b/src/claimDefinitions/matrix.js
index d2c8bdb..62d94aa 100644
--- a/src/claimDefinitions/matrix.js
+++ b/src/claimDefinitions/matrix.js
@@ -61,7 +61,7 @@ const processURI = (uri) => {
       }
     },
     claim: {
-      format: E.ClaimFormat.MESSAGE,
+      format: E.ClaimFormat.URI,
       relation: E.ClaimRelation.CONTAINS,
       path: ['content', 'body']
     }
diff --git a/src/claimDefinitions/reddit.js b/src/claimDefinitions/reddit.js
index d9968b3..859f970 100644
--- a/src/claimDefinitions/reddit.js
+++ b/src/claimDefinitions/reddit.js
@@ -47,7 +47,7 @@ const processURI = (uri) => {
       }
     },
     claim: {
-      format: E.ClaimFormat.MESSAGE,
+      format: E.ClaimFormat.URI,
       relation: E.ClaimRelation.CONTAINS,
       path: ['data', 'children', 'data', 'selftext']
     }
diff --git a/src/claimDefinitions/stackexchange.js b/src/claimDefinitions/stackexchange.js
index 949314d..a923b39 100644
--- a/src/claimDefinitions/stackexchange.js
+++ b/src/claimDefinitions/stackexchange.js
@@ -49,7 +49,7 @@ const processURI = (uri) => {
       }
     },
     claim: {
-      format: E.ClaimFormat.MESSAGE,
+      format: E.ClaimFormat.URI,
       relation: E.ClaimRelation.CONTAINS,
       path: ['items', 'about_me']
     }
diff --git a/src/claimDefinitions/twitter.js b/src/claimDefinitions/twitter.js
index 026d1a1..7101585 100644
--- a/src/claimDefinitions/twitter.js
+++ b/src/claimDefinitions/twitter.js
@@ -46,7 +46,7 @@ const processURI = (uri) => {
       }
     },
     claim: {
-      format: E.ClaimFormat.MESSAGE,
+      format: E.ClaimFormat.URI,
       relation: E.ClaimRelation.CONTAINS,
       path: []
     }
diff --git a/src/claimDefinitions/xmpp.js b/src/claimDefinitions/xmpp.js
index c862dce..29c9cb3 100644
--- a/src/claimDefinitions/xmpp.js
+++ b/src/claimDefinitions/xmpp.js
@@ -47,7 +47,7 @@ const processURI = (uri) => {
       }
     },
     claim: {
-      format: E.ClaimFormat.MESSAGE,
+      format: E.ClaimFormat.URI,
       relation: E.ClaimRelation.CONTAINS,
       path: []
     }
diff --git a/src/enums.js b/src/enums.js
index 6e16b53..c2813fe 100644
--- a/src/enums.js
+++ b/src/enums.js
@@ -95,9 +95,7 @@ const ClaimFormat = {
   /** `openpgp4fpr:123123123` */
   URI: 0,
   /** `123123123` */
-  FINGERPRINT: 1,
-  /** `[Verifying my OpenPGP key: openpgp4fpr:123123123]` */
-  MESSAGE: 2
+  FINGERPRINT: 1
 }
 Object.freeze(ClaimFormat)
 
diff --git a/src/utils.js b/src/utils.js
index fd5430c..56fb7c0 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -56,8 +56,6 @@ const generateClaim = (fingerprint, format) => {
   switch (format) {
     case E.ClaimFormat.URI:
       return `openpgp4fpr:${fingerprint}`
-    case E.ClaimFormat.MESSAGE:
-      return `[Verifying my OpenPGP key: openpgp4fpr:${fingerprint}]`
     case E.ClaimFormat.FINGERPRINT:
       return fingerprint
     default:
diff --git a/test/utils.test.js b/test/utils.test.js
index 18e7d58..9c52103 100644
--- a/test/utils.test.js
+++ b/test/utils.test.js
@@ -28,11 +28,6 @@ describe('utils.generateClaim', () => {
       doipjs.utils.generateClaim('123456789', doipjs.enums.ClaimFormat.URI)
     ).to.equal('openpgp4fpr:123456789')
   })
-  it('should generate a correct "message" claim', () => {
-    expect(
-      doipjs.utils.generateClaim('123456789', doipjs.enums.ClaimFormat.MESSAGE)
-    ).to.equal('[Verifying my OpenPGP key: openpgp4fpr:123456789]')
-  })
   it('should generate a correct "fingerprint" claim', () => {
     expect(
       doipjs.utils.generateClaim(