diff --git a/compiler/test/dotty/tools/dotc/FromTastyTests.scala b/compiler/test/dotty/tools/dotc/FromTastyTests.scala
index 91617aa027f0..cf359b13824b 100644
--- a/compiler/test/dotty/tools/dotc/FromTastyTests.scala
+++ b/compiler/test/dotty/tools/dotc/FromTastyTests.scala
@@ -28,27 +28,42 @@ class FromTastyTests extends ParallelTesting {
     implicit val testGroup: TestGroup = TestGroup("posTestFromTasty")
     val (step1, step2) = compileTastyInDir("../tests/pos", defaultOptions,
       blacklist = Set(
+        // Owner discrepancy for refinements
         "NoCyclicReference.scala",
-        "depfuntype.scala",
-        "hklub0.scala",
-        "i0306.scala",
-        "i1365.scala",
         "i1795.scala",
-        "i2345.scala",
+
+        // Cannot merge members
+        "depfuntype.scala",
+
+        // NPE in HKLambda.computeHash
         "i2888.scala",
+        "i974.scala",
+        "t3800.scala",
+
+        // Type miss match after unpickling
         "i2944.scala",
+        "t8023.scala",
+        "hklub0.scala",
+        "i1365.scala",
+
+        // Missing position
         "i3000.scala",
-        "i536.scala",
-        "i974.scala",
         "t1203a.scala",
         "t2260.scala",
-        "t3612.scala", // Test never finishes
-        "t3800.scala",
         "t4579.scala",
-        "t8023.scala",
         "tcpoly_ticket2096.scala",
         "t247.scala",
+        "i2345.scala",
+        "i0306.scala",
+
+        // cyclic type references
+        "i536.scala",
+
+        // Anonymous method not defined
         "i3067.scala",
+
+        // Infinite compilation
+        "t3612.scala",
       )
     )
     step1.checkCompile() // Compile all files to generate the class files with tasty
@@ -65,14 +80,26 @@ class FromTastyTests extends ParallelTesting {
     implicit val testGroup: TestGroup = TestGroup("runTestFromTasty")
     val (step1, step2) = compileTastyInDir("../tests/run", defaultOptions,
        blacklist = Set(
+         "t3613.scala",
+
+         // Missing position
          "Course-2002-13.scala",
          "bridges.scala",
-         "eff-dependent.scala",
-         "enum-approx.scala",
          "i2337.scala",
          "i2337b.scala",
+         "enum-approx.scala",
          "inlineForeach.scala",
+         "scala2trait-lazyval.scala",
+         "t3452f.scala",
+
+         // Closure type miss match
+         "eff-dependent.scala",
+
+         // Unpickling tree without owner
          "patmat-bind-typed.scala",
+         "t8395.scala",
+
+         // Issue unpickling universes
          "phantom-decls-1.scala",
          "phantom-decls-3.scala",
          "phantom-decls-5.scala",
@@ -85,10 +112,6 @@ class FromTastyTests extends ParallelTesting {
          "phantom-poly-2.scala",
          "phantom-poly-3.scala",
          "phantom-poly-4.scala",
-         "scala2trait-lazyval.scala",
-         "t3452f.scala",
-         "t8395.scala",
-         "t3613.scala",
        )
     )
     step1.checkCompile() // Compile all files to generate the class files with tasty