diff --git a/compiler/test/dotc/pos-test-pickling.blacklist b/compiler/test/dotc/pos-test-pickling.blacklist
index f23e94f10ff8..5353dca296df 100644
--- a/compiler/test/dotc/pos-test-pickling.blacklist
+++ b/compiler/test/dotc/pos-test-pickling.blacklist
@@ -2,7 +2,6 @@ i1812.scala
 i1867.scala
 i3067.scala
 matchtype.scala
-seqtype-cycle
 t247.scala
 t2712-5.scala
 t284-pos.scala
diff --git a/compiler/test/dotc/run-test-pickling.blacklist b/compiler/test/dotc/run-test-pickling.blacklist
index 1f684d84b3d1..ce8f35bdd3e8 100644
--- a/compiler/test/dotc/run-test-pickling.blacklist
+++ b/compiler/test/dotc/run-test-pickling.blacklist
@@ -4,16 +4,12 @@ t3452e
 t3452g
 t7374
 tuples1.scala
-tuples1a.scala
 typeclass-derivation1.scala
 typeclass-derivation2.scala
 typeclass-derivation2a.scala
 typeclass-derivation2c.scala
 typeclass-derivation3.scala
 derive-generic.scala
-deriving-interesting-prefixes.scala
-instances.scala
-instances-anonymous.scala
 mixin-forwarder-overload
 t8905
 t10889