diff --git a/src/MemoryState.php b/src/MemoryState.php
index 1c224ca..681ee9e 100644
--- a/src/MemoryState.php
+++ b/src/MemoryState.php
@@ -4,58 +4,10 @@
 
 namespace Kiboko\Component\State;
 
-use Kiboko\Contract\Pipeline\StateInterface;
+trigger_deprecation('php-etl/console-state', '0.3', 'The "%s" class is deprecated, use "%s" instead.', 'Kiboko\\Component\\State\\MemoryState', 'Kiboko\\Component\\Runtime\\Pipeline\\Step\\MemoryState');
 
-final class MemoryState implements StateInterface
-{
-    private array $metrics = [];
+/*
+ * @deprecated since Satellite 0.2, use Kiboko\Component\Runtime\Pipeline\Step\MemoryState instead.
+ */
+class_alias('Kiboko\\Component\\Runtime\\Pipeline\\Step\\MemoryState', 'Kiboko\\Component\\State\\MemoryState');
 
-    public function __construct(
-        private readonly ?StateInterface $decorated = null,
-    ) {
-    }
-
-    public function initialize(int $start = 0): void
-    {
-        $this->metrics = [
-            'accept' => 0,
-            'reject' => 0,
-            'error' => 0,
-        ];
-
-        $this->decorated?->initialize($start);
-    }
-
-    public function accept(int $step = 1): void
-    {
-        $this->metrics['accept'] += $step;
-        $this->decorated?->accept($step);
-    }
-
-    public function reject(int $step = 1): void
-    {
-        $this->metrics['reject'] += $step;
-        $this->decorated?->reject($step);
-    }
-
-    public function error(int $step = 1): void
-    {
-        $this->metrics['error'] += $step;
-        $this->decorated?->error($step);
-    }
-
-    public function observeAccept(): callable
-    {
-        return fn () => $this->metrics['accept'];
-    }
-
-    public function observeReject(): callable
-    {
-        return fn () => $this->metrics['reject'];
-    }
-
-    public function teardown(): void
-    {
-        $this->decorated?->teardown();
-    }
-}
diff --git a/src/StateOutput/Pipeline.php b/src/StateOutput/Pipeline.php
index db911eb..c4ae730 100644
--- a/src/StateOutput/Pipeline.php
+++ b/src/StateOutput/Pipeline.php
@@ -4,34 +4,9 @@
 
 namespace Kiboko\Component\State\StateOutput;
 
-use Symfony\Component\Console\Output\ConsoleOutput;
-use Symfony\Component\Console\Output\ConsoleSectionOutput;
+trigger_deprecation('php-etl/console-state', '0.3', 'The "%s" class is deprecated, use "%s" instead.', 'Kiboko\\Component\\State\\StateOutput\\Pipeline', \Kiboko\Component\Runtime\Pipeline\Pipeline::class);
 
-final class Pipeline
-{
-    /** @var list<PipelineStep> */
-    private array $steps = [];
-    private readonly ConsoleSectionOutput $section;
-
-    public function __construct(
-        private readonly ConsoleOutput $output,
-        string $index,
-        string $label,
-    ) {
-        $this->section = $output->section();
-        $this->section->writeln('');
-        $this->section->writeln(sprintf('<fg=green> % 2s. %-50s</>', $index, $label));
-    }
-
-    public function withStep(string $label): PipelineStep
-    {
-        return $this->steps[] = new PipelineStep($this->output, \count($this->steps) + 1, $label);
-    }
-
-    public function update(): void
-    {
-        foreach ($this->steps as $step) {
-            $step->update();
-        }
-    }
-}
+/*
+ * @deprecated since Satellite 0.2, use Kiboko\Component\Runtime\Pipeline\Pipeline instead.
+ */
+class_alias(\Kiboko\Component\Runtime\Pipeline\Pipeline::class, 'Kiboko\\Component\\State\\StateOutput\\Pipeline');
diff --git a/src/StateOutput/PipelineStep.php b/src/StateOutput/PipelineStep.php
index afd6632..ad58afe 100644
--- a/src/StateOutput/PipelineStep.php
+++ b/src/StateOutput/PipelineStep.php
@@ -4,41 +4,9 @@
 
 namespace Kiboko\Component\State\StateOutput;
 
-use Symfony\Component\Console\Output\ConsoleOutput;
-use Symfony\Component\Console\Output\ConsoleSectionOutput;
+trigger_deprecation('php-etl/console-state', '0.3', 'The "%s" class is deprecated, use "%s" instead.', 'Kiboko\\Component\\State\\StateOutput\\Pipeline', \Kiboko\Component\Runtime\Pipeline\Step\Step::class);
 
-final class PipelineStep
-{
-    /** @var array<string, callable> */
-    private array $metrics = [];
-    private readonly ConsoleSectionOutput $section;
-
-    public function __construct(
-        private readonly ConsoleOutput $output,
-        int $index,
-        string $label,
-    ) {
-        $this->section = $this->output->section();
-        $this->section->writeln(sprintf('<fg=cyan> % 2d. %-50s</>', $index, $label));
-        $this->section->writeln('');
-    }
-
-    public function addMetric(string $label, callable $callback): self
-    {
-        $this->metrics[$label] = $callback;
-
-        return $this;
-    }
-
-    public function update(): void
-    {
-        $this->section->clear(1);
-        $this->section
-            ->writeln('     '.implode(', ', array_map(
-                fn (string $label, callable $callback) => sprintf('%s <fg=cyan>%d</>', $label, ($callback)()),
-                array_keys($this->metrics),
-                array_values($this->metrics),
-            )))
-        ;
-    }
-}
+/*
+ * @deprecated since Satellite 0.2, use Kiboko\Component\Runtime\Pipeline\Step\Step instead.
+ */
+class_alias(\Kiboko\Component\Runtime\Pipeline\Step\Step::class, 'Kiboko\\Component\\State\\StateOutput\\Pipeline');