diff --git a/packages/kbn-config-schema/src/types/__snapshots__/uri_type.test.ts.snap b/packages/kbn-config-schema/src/types/__snapshots__/uri_type.test.ts.snap
index 2836c80f5b5ad..81fafdb4a7b33 100644
--- a/packages/kbn-config-schema/src/types/__snapshots__/uri_type.test.ts.snap
+++ b/packages/kbn-config-schema/src/types/__snapshots__/uri_type.test.ts.snap
@@ -1,8 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`#scheme returns error when shorter string 1`] = `"expected URI with scheme [http|https] but but got [ftp://elastic.co]."`;
+exports[`#scheme returns error when shorter string 1`] = `"expected URI with scheme [http|https] but got [ftp://elastic.co]."`;
 
-exports[`#scheme returns error when shorter string 2`] = `"expected URI with scheme [http|https] but but got [file:///kibana.log]."`;
+exports[`#scheme returns error when shorter string 2`] = `"expected URI with scheme [http|https] but got [file:///kibana.log]."`;
 
 exports[`#validate throws when returns string 1`] = `"validator failure"`;
 
diff --git a/packages/kbn-config-schema/src/types/uri_type.ts b/packages/kbn-config-schema/src/types/uri_type.ts
index f283554de527e..df1ce9e869d3b 100644
--- a/packages/kbn-config-schema/src/types/uri_type.ts
+++ b/packages/kbn-config-schema/src/types/uri_type.ts
@@ -36,7 +36,7 @@ export class URIType extends Type<string> {
       case 'string.base':
         return `expected value of type [string] but got [${typeDetect(value)}].`;
       case 'string.uriCustomScheme':
-        return `expected URI with scheme [${scheme}] but but got [${value}].`;
+        return `expected URI with scheme [${scheme}] but got [${value}].`;
       case 'string.uri':
         return `value is [${value}] but it must be a valid URI (see RFC 3986).`;
     }