diff --git a/implementation/revapi.json b/implementation/revapi.json
index acc98bac9..d37de1ac5 100644
--- a/implementation/revapi.json
+++ b/implementation/revapi.json
@@ -51,64 +51,7 @@
     "criticality" : "highlight",
     "minSeverity" : "POTENTIALLY_BREAKING",
     "minCriticality" : "documented",
-    "differences" : [
-      {
-        "ignore": true,
-        "code": "java.method.returnTypeChangedCovariantly",
-        "old": "method io.smallrye.mutiny.groups.UniAndGroupIterable<T1> io.smallrye.mutiny.groups.UniAndGroupIterable<T1>::usingConcurrencyOf(int) @ io.smallrye.mutiny.groups.UniAndGroup2<T1, T2>",
-        "new": "method io.smallrye.mutiny.groups.UniAndGroup2<T1, T2> io.smallrye.mutiny.groups.UniAndGroup2<T1, T2>::usingConcurrencyOf(int)",
-        "justification": "Override `usingConcurrencyOf` in `UniAndGroup2` for improved type safety"
-      },
-      {
-        "ignore": true,
-        "code": "java.method.returnTypeChangedCovariantly",
-        "old": "method io.smallrye.mutiny.groups.UniAndGroupIterable<T1> io.smallrye.mutiny.groups.UniAndGroupIterable<T1>::usingConcurrencyOf(int) @ io.smallrye.mutiny.groups.UniAndGroup3<T1, T2, T3>",
-        "new": "method io.smallrye.mutiny.groups.UniAndGroup3<T1, T2, T3> io.smallrye.mutiny.groups.UniAndGroup3<T1, T2, T3>::usingConcurrencyOf(int)",
-        "justification": "Override `usingConcurrencyOf` in `UniAndGroup3` for improved type safety"
-      },
-      {
-        "ignore": true,
-        "code": "java.method.returnTypeChangedCovariantly",
-        "old": "method io.smallrye.mutiny.groups.UniAndGroupIterable<T1> io.smallrye.mutiny.groups.UniAndGroupIterable<T1>::usingConcurrencyOf(int) @ io.smallrye.mutiny.groups.UniAndGroup4<T1, T2, T3, T4>",
-        "new": "method io.smallrye.mutiny.groups.UniAndGroup4<T1, T2, T3, T4> io.smallrye.mutiny.groups.UniAndGroup4<T1, T2, T3, T4>::usingConcurrencyOf(int)",
-        "justification": "Override `usingConcurrencyOf` in `UniAndGroup4` for improved type safety"
-      },
-      {
-        "ignore": true,
-        "code": "java.method.returnTypeChangedCovariantly",
-        "old": "method io.smallrye.mutiny.groups.UniAndGroupIterable<T1> io.smallrye.mutiny.groups.UniAndGroupIterable<T1>::usingConcurrencyOf(int) @ io.smallrye.mutiny.groups.UniAndGroup5<T1, T2, T3, T4, T5>",
-        "new": "method io.smallrye.mutiny.groups.UniAndGroup5<T1, T2, T3, T4, T5> io.smallrye.mutiny.groups.UniAndGroup5<T1, T2, T3, T4, T5>::usingConcurrencyOf(int)",
-        "justification": "Override `usingConcurrencyOf` in `UniAndGroup5` for improved type safety"
-      },
-      {
-        "ignore": true,
-        "code": "java.method.returnTypeChangedCovariantly",
-        "old": "method io.smallrye.mutiny.groups.UniAndGroupIterable<T1> io.smallrye.mutiny.groups.UniAndGroupIterable<T1>::usingConcurrencyOf(int) @ io.smallrye.mutiny.groups.UniAndGroup6<T1, T2, T3, T4, T5, T6>",
-        "new": "method io.smallrye.mutiny.groups.UniAndGroup6<T1, T2, T3, T4, T5, T6> io.smallrye.mutiny.groups.UniAndGroup6<T1, T2, T3, T4, T5, T6>::usingConcurrencyOf(int)",
-        "justification": "Override `usingConcurrencyOf` in `UniAndGroup6` for improved type safety"
-      },
-      {
-        "ignore": true,
-        "code": "java.method.returnTypeChangedCovariantly",
-        "old": "method io.smallrye.mutiny.groups.UniAndGroupIterable<T1> io.smallrye.mutiny.groups.UniAndGroupIterable<T1>::usingConcurrencyOf(int) @ io.smallrye.mutiny.groups.UniAndGroup7<T1, T2, T3, T4, T5, T6, T7>",
-        "new": "method io.smallrye.mutiny.groups.UniAndGroup7<T1, T2, T3, T4, T5, T6, T7> io.smallrye.mutiny.groups.UniAndGroup7<T1, T2, T3, T4, T5, T6, T7>::usingConcurrencyOf(int)",
-        "justification": "Override `usingConcurrencyOf` in `UniAndGroup7` for improved type safety"
-      },
-      {
-        "ignore": true,
-        "code": "java.method.returnTypeChangedCovariantly",
-        "old": "method io.smallrye.mutiny.groups.UniAndGroupIterable<T1> io.smallrye.mutiny.groups.UniAndGroupIterable<T1>::usingConcurrencyOf(int) @ io.smallrye.mutiny.groups.UniAndGroup8<T1, T2, T3, T4, T5, T6, T7, T8>",
-        "new": "method io.smallrye.mutiny.groups.UniAndGroup8<T1, T2, T3, T4, T5, T6, T7, T8> io.smallrye.mutiny.groups.UniAndGroup8<T1, T2, T3, T4, T5, T6, T7, T8>::usingConcurrencyOf(int)",
-        "justification": "Override `usingConcurrencyOf` in `UniAndGroup8` for improved type safety"
-      },
-      {
-        "ignore": true,
-        "code": "java.method.returnTypeChangedCovariantly",
-        "old": "method io.smallrye.mutiny.groups.UniAndGroupIterable<T1> io.smallrye.mutiny.groups.UniAndGroupIterable<T1>::usingConcurrencyOf(int) @ io.smallrye.mutiny.groups.UniAndGroup9<T1, T2, T3, T4, T5, T6, T7, T8, T9>",
-        "new": "method io.smallrye.mutiny.groups.UniAndGroup9<T1, T2, T3, T4, T5, T6, T7, T8, T9> io.smallrye.mutiny.groups.UniAndGroup9<T1, T2, T3, T4, T5, T6, T7, T8, T9>::usingConcurrencyOf(int)",
-        "justification": "Override `usingConcurrencyOf` in `UniAndGroup9` for improved type safety"
-      }
-    ]
+    "differences" : [ ]
   }
 }, {
   "extension" : "revapi.reporter.json",