diff --git a/src/Operation/Chunk.php b/src/Operation/Chunk.php
index aac0bd573..c6a5fb49d 100644
--- a/src/Operation/Chunk.php
+++ b/src/Operation/Chunk.php
@@ -48,7 +48,7 @@ static function (iterable $iterable) use ($sizes): Generator {
                         $size = $sizesIterator->current();
 
                         if (0 >= $size) {
-                            return yield from [];
+                            return;
                         }
 
                         if (count($values) !== $size) {
diff --git a/src/Operation/ScanLeft1.php b/src/Operation/ScanLeft1.php
index 7a2c7c36d..56d6abe68 100644
--- a/src/Operation/ScanLeft1.php
+++ b/src/Operation/ScanLeft1.php
@@ -48,7 +48,7 @@ static function (iterable $iterable) use ($callback): Generator {
                     $iteratorInitial = $iteratorAggregate->getIterator();
 
                     if (false === $iteratorInitial->valid()) {
-                        return yield from [];
+                        return;
                     }
 
                     $initial = $iteratorInitial->current();
diff --git a/src/Operation/Since.php b/src/Operation/Since.php
index 60e3cc8e0..cd6241871 100644
--- a/src/Operation/Since.php
+++ b/src/Operation/Since.php
@@ -55,7 +55,7 @@ static function (iterable $iterable) use ($callbacks): Generator {
                     )($iteratorAggregate);
 
                     if (false === $every->current()) {
-                        return yield from (new Limit())()(-1)($every->key())($iteratorAggregate);
+                        yield from (new Limit())()(-1)($every->key())($iteratorAggregate);
                     }
                 };
     }