diff --git a/Userland/Libraries/LibDSP/Effects.cpp b/Userland/Libraries/LibDSP/Effects.cpp
index d4c47a55da..ac6ca4de91 100644
--- a/Userland/Libraries/LibDSP/Effects.cpp
+++ b/Userland/Libraries/LibDSP/Effects.cpp
@@ -29,7 +29,6 @@ void Delay::handle_delay_time_change()
     if (sample_count != m_delay_buffer.size()) {
         m_delay_buffer.resize(sample_count, true);
         m_delay_index %= max(m_delay_buffer.size(), 1);
-        m_old_delay_size = m_delay_buffer.size();
     }
 }
 
diff --git a/Userland/Libraries/LibDSP/Effects.h b/Userland/Libraries/LibDSP/Effects.h
index 848589ca72..64d8190971 100644
--- a/Userland/Libraries/LibDSP/Effects.h
+++ b/Userland/Libraries/LibDSP/Effects.h
@@ -29,7 +29,6 @@ private:
 
     Vector<Sample> m_delay_buffer;
     size_t m_delay_index { 0 };
-    size_t m_old_delay_size = m_delay_buffer.size();
 };
 
 // A simple effect that applies volume, mute and pan to its input signal.