diff --git a/src/main/scala-3/com/raquo/airstream/split/SplitMatchOneMacros.scala b/src/main/scala-3/com/raquo/airstream/split/SplitMatchOneMacros.scala
index 81e18aec..913e6542 100644
--- a/src/main/scala-3/com/raquo/airstream/split/SplitMatchOneMacros.scala
+++ b/src/main/scala-3/com/raquo/airstream/split/SplitMatchOneMacros.scala
@@ -89,7 +89,7 @@ object SplitMatchOneMacros {
       handleValueApplyImpl('{ matchValueObservable }, '{ handleFn })
     }
 
-    inline def apply[O1 >: O](inline handleFn: Signal[V] => O1): SplitMatchOneObservable[Self, I, O1] = deglate { (_, vSignal) => handleFn(vSignal) }
+    inline def apply[O1 >: O](inline handle: => O1): SplitMatchOneObservable[Self, I, O1] = deglate { (_, _) => handle }
   }
 
   extension [I, O](inline matchSplitObservable: SplitMatchOneObservable[Signal, I, O]) {
@@ -130,7 +130,7 @@ object SplitMatchOneMacros {
                 "Macro expansion failed, please use `splitMatchOne` instead of creating new SplitMatchOneObservable explicitly"
               )
             }
-              
+
             innerHandleCaseImpl(
               observableExpr,
               caseExprSeq,
diff --git a/src/main/scala-3/com/raquo/airstream/split/SplitMatchSeqMacros.scala b/src/main/scala-3/com/raquo/airstream/split/SplitMatchSeqMacros.scala
index 04025965..195d4c97 100644
--- a/src/main/scala-3/com/raquo/airstream/split/SplitMatchSeqMacros.scala
+++ b/src/main/scala-3/com/raquo/airstream/split/SplitMatchSeqMacros.scala
@@ -13,7 +13,7 @@ import scala.quoted.Varargs
 import com.raquo.airstream.split.MacrosUtilities.{CaseAny, HandlerAny, MatchTypeHandler, MatchValueHandler, innerObservableImpl}
 
 object SplitMatchSeqMacros {
-  
+
   extension [Self[+_] <: Observable[_], I, K, CC[_]](inline observable: BaseObservable[Self, CC[I]]) {
     inline def splitMatchSeq(
       inline keyFn: Function1[I, K],
@@ -53,7 +53,7 @@ object SplitMatchSeqMacros {
       handleValueApplyImpl('{ matchValueObservable }, '{ handleFn })
     }
 
-    inline def apply[O1 >: O](inline handleFn: Signal[V] => O1): SplitMatchSeqObservable[Self, I, K, O1, CC] = deglate { (_, vSignal) => handleFn(vSignal) }
+    inline def apply[O1 >: O](inline handle: => O1): SplitMatchSeqObservable[Self, I, K, O1, CC] = deglate { (_, _) => handle }
   }
 
   private def handleCaseImpl[Self[+_] <: Observable[_]: Type, I: Type, K: Type, O: Type, O1 >: O: Type, CC[_]: Type, A: Type, B: Type](
@@ -416,7 +416,7 @@ object SplitMatchSeqMacros {
           case None => report.errorAndAbort(
             "Macro expansion failed, cannot find Splittable instance of " + MacrosUtilities.ShowType.nameOf[CC]
           )
-          case Some(splittableExpr) => {    
+          case Some(splittableExpr) => {
             val caseExprSeq = caseExpr match {
               case Varargs(caseExprSeq) => caseExprSeq
               case _ => report.errorAndAbort(
diff --git a/src/test/scala-3/com/raquo/airstream/split/SplitMatchOneSpec.scala b/src/test/scala-3/com/raquo/airstream/split/SplitMatchOneSpec.scala
index 9f2507ad..85a74636 100644
--- a/src/test/scala-3/com/raquo/airstream/split/SplitMatchOneSpec.scala
+++ b/src/test/scala-3/com/raquo/airstream/split/SplitMatchOneSpec.scala
@@ -54,14 +54,8 @@ class SplitMatchOneSpec extends UnitSpec {
 
         Res("Baz")
       }
-      .handleValue(Tar) { tarSignal =>
+      .handleValue(Tar) {
         effects += Effect("init-child", s"Tar-${10}")
-        // @Note keep foreach or addObserver here – this is important.
-        //  It tests that SplitSignal does not cause an infinite loop trying to evaluate its initialValue.
-        tarSignal.foreach { _ =>
-          effects += Effect("update-child", s"Tar-${10}")
-        }(owner)
-
         Res("Tar")
       }
       .toSignal
@@ -139,7 +133,6 @@ class SplitMatchOneSpec extends UnitSpec {
 
     effects shouldBe mutable.Buffer(
       Effect("init-child", "Tar-10"),
-      Effect("update-child", "Tar-10"),
       Effect("result", "Res(Tar)")
     )
 
@@ -148,8 +141,7 @@ class SplitMatchOneSpec extends UnitSpec {
     myVar.writer.onNext(Tar)
 
     effects shouldBe mutable.Buffer(
-      Effect("result", "Res(Tar)"),
-      Effect("update-child", "Tar-10")
+      Effect("result", "Res(Tar)")
     )
 
     effects.clear()
@@ -189,14 +181,8 @@ class SplitMatchOneSpec extends UnitSpec {
 
         Res("Baz1")
       }
-      .handleValue(Tar) { tarSignal =>
+      .handleValue(Tar) {
         effects += Effect("init-child", s"Tar-${10}")
-        // @Note keep foreach or addObserver here – this is important.
-        //  It tests that SplitSignal does not cause an infinite loop trying to evaluate its initialValue.
-        tarSignal.foreach { _ =>
-          effects += Effect("update-child", s"Tar-${10}")
-        }(owner)
-
         Res("Tar")
       }
       .toSignal
@@ -238,7 +224,6 @@ class SplitMatchOneSpec extends UnitSpec {
 
     effects shouldBe mutable.Buffer(
       Effect("init-child", "Tar-10"),
-      Effect("update-child", "Tar-10"),
       Effect("result", "Res(Tar)")
     )
 
@@ -247,8 +232,7 @@ class SplitMatchOneSpec extends UnitSpec {
     myVar.writer.onNext(Tar)
 
     effects shouldBe mutable.Buffer(
-      Effect("result", "Res(Tar)"),
-      Effect("update-child", "Tar-10")
+      Effect("result", "Res(Tar)")
     )
 
     effects.clear()
@@ -287,14 +271,8 @@ class SplitMatchOneSpec extends UnitSpec {
 
         Res("Baz")
       }
-      .handleValue(Tar){ tarSignal =>
+      .handleValue(Tar) {
         effects += Effect("init-child", s"Tar-${10}")
-        // @Note keep foreach or addObserver here – this is important.
-        //  It tests that SplitSignal does not cause an infinite loop trying to evaluate its initialValue.
-        tarSignal.foreach { _ =>
-          effects += Effect("update-child", s"Tar-${10}")
-        }(owner)
-
         Res("Tar")
       }
       .toStream
@@ -365,7 +343,6 @@ class SplitMatchOneSpec extends UnitSpec {
 
     effects shouldBe mutable.Buffer(
       Effect("init-child", "Tar-10"),
-      Effect("update-child", "Tar-10"),
       Effect("result", "Res(Tar)")
     )
 
@@ -374,8 +351,7 @@ class SplitMatchOneSpec extends UnitSpec {
     myEventBus.writer.onNext(Tar)
 
     effects shouldBe mutable.Buffer(
-      Effect("result", "Res(Tar)"),
-      Effect("update-child", "Tar-10")
+      Effect("result", "Res(Tar)")
     )
 
     effects.clear()
diff --git a/src/test/scala-3/com/raquo/airstream/split/SplitMatchSeqSpec.scala b/src/test/scala-3/com/raquo/airstream/split/SplitMatchSeqSpec.scala
index d17c2a6c..8d5e6726 100644
--- a/src/test/scala-3/com/raquo/airstream/split/SplitMatchSeqSpec.scala
+++ b/src/test/scala-3/com/raquo/airstream/split/SplitMatchSeqSpec.scala
@@ -92,14 +92,8 @@ class SplitMatchSeqSpec extends UnitSpec with BeforeAndAfter {
           }(owner)
           Bar(initialFooC.id)
         }
-        .handleValue(FooO) { fooOSignal =>
+        .handleValue(FooO) {
           effects += Effect("init-child", s"FooO(${FooO.id})")
-          // @Note keep foreach or addObserver here – this is important.
-          //  It tests that SplitSignal does not cause an infinite loop trying to evaluate its initialValue.
-          fooOSignal.foreach { fooO =>
-            assert(FooO.id == fooO.id, "Subsequent value does not match initial key")
-            effects += Effect("update-child", s"FooO(${fooO.id})")
-          }(owner)
           Bar(FooO.id)
         }
         .toSignal
@@ -151,7 +145,6 @@ class SplitMatchSeqSpec extends UnitSpec with BeforeAndAfter {
         Effect("init-child", "FooC(b-1)"),
         Effect("update-child", "FooC(b-1)"),
         Effect("init-child", "FooO(object)"),
-        Effect("update-child", "FooO(object)"),
         Effect("result", "List(Bar(1), Bar(a), Bar(b), Bar(object))"),
         Effect("update-child", "FooC(a-3)")
       )
@@ -221,14 +214,8 @@ class SplitMatchSeqSpec extends UnitSpec with BeforeAndAfter {
           }(owner)
           Bar(initialFooC.id)
         }
-        .handleValue(FooO) { fooOSignal =>
+        .handleValue(FooO) {
           effects += Effect("init-child", s"FooO(${FooO.id})")
-          // @Note keep foreach or addObserver here – this is important.
-          //  It tests that SplitSignal does not cause an infinite loop trying to evaluate its initialValue.
-          fooOSignal.foreach { fooO =>
-            assert(FooO.id == fooO.id, "Subsequent value does not match initial key")
-            effects += Effect("update-child", s"FooO(${fooO.id})")
-          }(owner)
           Bar(FooO.id)
         }
         .toSignal
@@ -243,7 +230,6 @@ class SplitMatchSeqSpec extends UnitSpec with BeforeAndAfter {
         Effect("init-child", "FooE(0)"),
         Effect("update-child", "FooE(0)"),
         Effect("init-child", "FooO(object)"),
-        Effect("update-child", "FooO(object)"),
         Effect("result", "List(Bar(initial), Bar(0), Bar(object))")
       )
 
@@ -321,7 +307,7 @@ class SplitMatchSeqSpec extends UnitSpec with BeforeAndAfter {
       //effects.clear()
     }
   }
-  
+
   it("split signal - raw semantics") {
     withOrWithoutDuplicateKeyWarnings {
       val effects = mutable.Buffer[Effect[String]]()
@@ -356,14 +342,8 @@ class SplitMatchSeqSpec extends UnitSpec with BeforeAndAfter {
           }(owner)
           Bar(initialFooC.id)
         }
-        .handleValue(FooO) { fooOSignal =>
+        .handleValue(FooO) {
           effects += Effect(s"init-child-${FooO.id}", s"FooO(${FooO.id})")
-          // @Note keep foreach or addObserver here – this is important.
-          //  It tests that SplitSignal does not cause an infinite loop trying to evaluate its initialValue.
-          fooOSignal.foreach { fooO =>
-            assert(FooO.id == fooO.id, "Subsequent value does not match initial key")
-            effects += Effect(s"update-child-${fooO.id}", s"FooO(${fooO.id})")
-          }(owner)
           Bar(FooO.id)
         }
         .toSignal
@@ -378,7 +358,6 @@ class SplitMatchSeqSpec extends UnitSpec with BeforeAndAfter {
         Effect("init-child-0", "FooE(0)"),
         Effect("update-child-0", "FooE(0)"),
         Effect("init-child-object", "FooO(object)"),
-        Effect("update-child-object", "FooO(object)"),
         Effect("result", "List(Bar(initial), Bar(0), Bar(object))")
       )
 
@@ -391,8 +370,7 @@ class SplitMatchSeqSpec extends UnitSpec with BeforeAndAfter {
       effects shouldBe mutable.Buffer(
         Effect("init-child-a", "FooC(a-1)"),
         Effect("update-child-a", "FooC(a-1)"),
-        Effect("result", "List(Bar(object), Bar(a))"),
-        Effect("update-child-object", "FooO(object)")
+        Effect("result", "List(Bar(object), Bar(a))")
       )
 
       effects.clear()
@@ -403,7 +381,6 @@ class SplitMatchSeqSpec extends UnitSpec with BeforeAndAfter {
 
       effects shouldBe mutable.Buffer(
         Effect("result", "List(Bar(a), Bar(object))"),
-        Effect("update-child-object", "FooO(object)"),
         Effect("update-child-a", "FooC(a-2)")
       )
 
@@ -553,17 +530,8 @@ class SplitMatchSeqSpec extends UnitSpec with BeforeAndAfter {
           )
           Bar(initialFooC.id)
         }
-        .handleValue(FooO) { fooOSignal =>
+        .handleValue(FooO) {
           effects += Effect(s"init-child-${FooO.id}", s"FooO(${FooO.id})")
-          // @Note keep foreach or addObserver here – this is important.
-          //  It tests that SplitSignal does not cause an infinite loop trying to evaluate its initialValue.
-          DynamicSubscription.subscribeCallback(
-            innerDynamicOwnerO,
-            owner => fooOSignal.foreach { fooO =>
-              assert(FooO.id == fooO.id, "Subsequent value does not match initial key")
-              effects += Effect(s"update-child-${fooO.id}", s"FooO(${fooO.id})")
-            }(owner)
-          )
           Bar(FooO.id)
         }
         .toSignal
@@ -579,7 +547,6 @@ class SplitMatchSeqSpec extends UnitSpec with BeforeAndAfter {
         Effect("init-child-initial", "FooC(initial-1)"),
         Effect("update-child-initial", "FooC(initial-1)"),
         Effect("init-child-object", "FooO(object)"),
-        Effect("update-child-object", "FooO(object)"),
         Effect("init-child-0", "FooE(0)"),
         Effect("result", "List(Bar(initial), Bar(object), Bar(0))"),
         Effect("update-child-0", "FooE(0)")
@@ -597,7 +564,6 @@ class SplitMatchSeqSpec extends UnitSpec with BeforeAndAfter {
         Effect("init-child-a", "FooC(a-3)"),
         Effect("update-child-a", "FooC(a-3)"),
         Effect("result", "List(Bar(0), Bar(b), Bar(object), Bar(a))"),
-        Effect("update-child-object", "FooO(object)"),
         Effect("update-child-0", "FooE(0)")
       )
 
@@ -635,11 +601,7 @@ class SplitMatchSeqSpec extends UnitSpec with BeforeAndAfter {
 
       innerDynamicOwnerO.activate()
 
-      effects shouldBe mutable.Buffer(
-        Effect("update-child-object", "FooO(object)")
-      )
-
-      effects.clear()
+      effects shouldBe mutable.Buffer()
 
       // --
 
@@ -659,8 +621,7 @@ class SplitMatchSeqSpec extends UnitSpec with BeforeAndAfter {
       effects shouldBe mutable.Buffer(
         Effect("result", "List(Bar(b), Bar(a), Bar(object))"),
         Effect("update-child-b", "FooC(b-2)"),
-        Effect("update-child-a", "FooC(a-3)"),
-        Effect("update-child-object", "FooO(object)")
+        Effect("update-child-a", "FooC(a-3)")
       )
 
       effects.clear()
@@ -715,7 +676,7 @@ class SplitMatchSeqSpec extends UnitSpec with BeforeAndAfter {
         .handleType[FooC] { (initialFooC, _) =>
           Bar(initialFooC.id)
         }
-        .handleValue(FooO) { _ =>
+        .handleValue(FooO) {
           Bar(FooO.id)
         }
         .toSignal
@@ -750,23 +711,23 @@ class SplitMatchSeqSpec extends UnitSpec with BeforeAndAfter {
   it("split list / vector / set / js.array / immutable.seq / collection.seq / option compiles") {
     // Having this test pass on all supported Scala versions is important to ensure that the implicits are actually usable.
     {
-      (new EventBus[List[Foo]]).events.splitMatchSeq(_.id).handleCase{ case e: FooE => e }((_, _) => 10).handleType[FooC]((_, _) => 20).handleValue(FooO)(_ => 30).toSignal
-      (new EventBus[Vector[Foo]]).events.splitMatchSeq(_.id).handleCase{ case e: FooE => e }((_, _) => 10).handleType[FooC]((_, _) => 20).handleValue(FooO)(_ => 30).toSignal
-      (new EventBus[Set[Foo]]).events.splitMatchSeq(_.id).handleCase{ case e: FooE => e }((_, _) => 10).handleType[FooC]((_, _) => 20).handleValue(FooO)(_ => 30).toSignal
-      (new EventBus[js.Array[Foo]]).events.splitMatchSeq(_.id).handleCase{ case e: FooE => e }((_, _) => 10).handleType[FooC]((_, _) => 20).handleValue(FooO)(_ => 30).toSignal
-      (new EventBus[immutable.Seq[Foo]]).events.splitMatchSeq(_.id).handleCase{ case e: FooE => e }((_, _) => 10).handleType[FooC]((_, _) => 20).handleValue(FooO)(_ => 30).toSignal
-      (new EventBus[collection.Seq[Foo]]).events.splitMatchSeq(_.id).handleCase{ case e: FooE => e }((_, _) => 10).handleType[FooC]((_, _) => 20).handleValue(FooO)(_ => 30).toSignal
-      (new EventBus[collection.Seq[Foo]]).events.splitMatchSeq(_.id).handleCase{ case e: FooE => e }((_, _) => 10).handleType[FooC]((_, _) => 20).handleValue(FooO)(_ => 30).toSignal
+      (new EventBus[List[Foo]]).events.splitMatchSeq(_.id).handleCase{ case e: FooE => e }((_, _) => 10).handleType[FooC]((_, _) => 20).handleValue(FooO)(30).toSignal
+      (new EventBus[Vector[Foo]]).events.splitMatchSeq(_.id).handleCase{ case e: FooE => e }((_, _) => 10).handleType[FooC]((_, _) => 20).handleValue(FooO)(30).toSignal
+      (new EventBus[Set[Foo]]).events.splitMatchSeq(_.id).handleCase{ case e: FooE => e }((_, _) => 10).handleType[FooC]((_, _) => 20).handleValue(FooO)(30).toSignal
+      (new EventBus[js.Array[Foo]]).events.splitMatchSeq(_.id).handleCase{ case e: FooE => e }((_, _) => 10).handleType[FooC]((_, _) => 20).handleValue(FooO)(30).toSignal
+      (new EventBus[immutable.Seq[Foo]]).events.splitMatchSeq(_.id).handleCase{ case e: FooE => e }((_, _) => 10).handleType[FooC]((_, _) => 20).handleValue(FooO)(30).toSignal
+      (new EventBus[collection.Seq[Foo]]).events.splitMatchSeq(_.id).handleCase{ case e: FooE => e }((_, _) => 10).handleType[FooC]((_, _) => 20).handleValue(FooO)(30).toSignal
+      (new EventBus[collection.Seq[Foo]]).events.splitMatchSeq(_.id).handleCase{ case e: FooE => e }((_, _) => 10).handleType[FooC]((_, _) => 20).handleValue(FooO)(30).toSignal
     }
     // And now the same, but with `distinctCompose = identity`, because that somehow affects implicit resolution in Scala 3.0.0
     {
-      (new EventBus[List[Foo]]).events.splitMatchSeq(_.id, identity).handleCase{ case e: FooE => e }((_, _) => 10).handleType[FooC]((_, _) => 20).handleValue(FooO)(_ => 30).toSignal
-      (new EventBus[Vector[Foo]]).events.splitMatchSeq(_.id, identity).handleCase{ case e: FooE => e }((_, _) => 10).handleType[FooC]((_, _) => 20).handleValue(FooO)(_ => 30).toSignal
-      (new EventBus[Set[Foo]]).events.splitMatchSeq(_.id, identity).handleCase{ case e: FooE => e }((_, _) => 10).handleType[FooC]((_, _) => 20).handleValue(FooO)(_ => 30).toSignal
-      (new EventBus[js.Array[Foo]]).events.splitMatchSeq(_.id, identity).handleCase{ case e: FooE => e }((_, _) => 10).handleType[FooC]((_, _) => 20).handleValue(FooO)(_ => 30).toSignal
-      (new EventBus[immutable.Seq[Foo]]).events.splitMatchSeq(_.id, identity).handleCase{ case e: FooE => e }((_, _) => 10).handleType[FooC]((_, _) => 20).handleValue(FooO)(_ => 30).toSignal
-      (new EventBus[collection.Seq[Foo]]).events.splitMatchSeq(_.id, identity).handleCase{ case e: FooE => e }((_, _) => 10).handleType[FooC]((_, _) => 20).handleValue(FooO)(_ => 30).toSignal
-      (new EventBus[collection.Seq[Foo]]).events.splitMatchSeq(_.id, identity).handleCase{ case e: FooE => e }((_, _) => 10).handleType[FooC]((_, _) => 20).handleValue(FooO)(_ => 30).toSignal
+      (new EventBus[List[Foo]]).events.splitMatchSeq(_.id, identity).handleCase{ case e: FooE => e }((_, _) => 10).handleType[FooC]((_, _) => 20).handleValue(FooO)(30).toSignal
+      (new EventBus[Vector[Foo]]).events.splitMatchSeq(_.id, identity).handleCase{ case e: FooE => e }((_, _) => 10).handleType[FooC]((_, _) => 20).handleValue(FooO)(30).toSignal
+      (new EventBus[Set[Foo]]).events.splitMatchSeq(_.id, identity).handleCase{ case e: FooE => e }((_, _) => 10).handleType[FooC]((_, _) => 20).handleValue(FooO)(30).toSignal
+      (new EventBus[js.Array[Foo]]).events.splitMatchSeq(_.id, identity).handleCase{ case e: FooE => e }((_, _) => 10).handleType[FooC]((_, _) => 20).handleValue(FooO)(30).toSignal
+      (new EventBus[immutable.Seq[Foo]]).events.splitMatchSeq(_.id, identity).handleCase{ case e: FooE => e }((_, _) => 10).handleType[FooC]((_, _) => 20).handleValue(FooO)(30).toSignal
+      (new EventBus[collection.Seq[Foo]]).events.splitMatchSeq(_.id, identity).handleCase{ case e: FooE => e }((_, _) => 10).handleType[FooC]((_, _) => 20).handleValue(FooO)(30).toSignal
+      (new EventBus[collection.Seq[Foo]]).events.splitMatchSeq(_.id, identity).handleCase{ case e: FooE => e }((_, _) => 10).handleType[FooC]((_, _) => 20).handleValue(FooO)(30).toSignal
     }
   }
 
diff --git a/src/test/scala/com/raquo/airstream/distinct/DistinctSpec.scala b/src/test/scala/com/raquo/airstream/distinct/DistinctSpec.scala
index 008b2874..f7b68577 100644
--- a/src/test/scala/com/raquo/airstream/distinct/DistinctSpec.scala
+++ b/src/test/scala/com/raquo/airstream/distinct/DistinctSpec.scala
@@ -221,7 +221,7 @@ class DistinctSpec extends UnitSpec {
     effects.clear()
 
     // --
-    
+
     sub3.kill()
 
     _var.writer.onNext(3)
@@ -248,7 +248,7 @@ class DistinctSpec extends UnitSpec {
 
     calculations shouldBe mutable.Buffer()
     effects shouldBe mutable.Buffer()
-    
+
     // --
 
     _var.writer.onNext(4)