diff --git a/Content.Client/MobState/Overlays/CritOverlay.cs b/Content.Client/MobState/Overlays/CritOverlay.cs
index 576d501e43..dbbf53cf93 100644
--- a/Content.Client/MobState/Overlays/CritOverlay.cs
+++ b/Content.Client/MobState/Overlays/CritOverlay.cs
@@ -16,7 +16,6 @@ namespace Content.Client.MobState.Overlays
 
         public override OverlaySpace Space => OverlaySpace.WorldSpace;
         private readonly ShaderInstance _gradientCircleShader;
-        private readonly ShaderInstance? _glowingBorderShader;
 
         public CritOverlay()
         {
diff --git a/Content.Server/Cloning/CloningSystem.cs b/Content.Server/Cloning/CloningSystem.cs
index 0d0c37da75..940c117680 100644
--- a/Content.Server/Cloning/CloningSystem.cs
+++ b/Content.Server/Cloning/CloningSystem.cs
@@ -21,7 +21,6 @@ namespace Content.Server.Cloning
         public readonly Dictionary<Mind.Mind, int> MindToId = new();
         public readonly Dictionary<int, ClonerDNAEntry> IdToDNA = new();
         private int _nextAllocatedMindId = 0;
-        private float _quickAndDirtyUserUpdatePreventerTimer = 0.0f;
         public readonly Dictionary<Mind.Mind, EntityUid> ClonesWaitingForMind = new();
 
         public override void Initialize()
diff --git a/Content.Server/Singularity/Components/ServerSingularityComponent.cs b/Content.Server/Singularity/Components/ServerSingularityComponent.cs
index 54bb893d92..8c57871b77 100644
--- a/Content.Server/Singularity/Components/ServerSingularityComponent.cs
+++ b/Content.Server/Singularity/Components/ServerSingularityComponent.cs
@@ -70,8 +70,6 @@ namespace Content.Server.Singularity.Components
         [ViewVariables(VVAccess.ReadWrite)]
         public bool BeingDeletedByAnotherSingularity { get; set; }
 
-        private IPlayingAudioStream? _playingSound;
-
         [DataField("singularityFormingSound")] private SoundSpecifier _singularityFormingSound = new SoundPathSpecifier("/Audio/Effects/singularity_form.ogg");
         [DataField("singularityCollapsingSound")] private SoundSpecifier _singularityCollapsingSound = new SoundPathSpecifier("/Audio/Effects/singularity_collapse.ogg");
 
@@ -97,7 +95,6 @@ namespace Content.Server.Singularity.Components
 
         protected override void OnRemove()
         {
-            _playingSound?.Stop();
             SoundSystem.Play(Filter.Pvs(Owner), _singularityCollapsingSound.GetSound(), Owner.Transform.Coordinates);
             base.OnRemove();
         }
diff --git a/Content.Server/Weapon/Ranged/Barrels/Components/ServerRangedBarrelComponent.cs b/Content.Server/Weapon/Ranged/Barrels/Components/ServerRangedBarrelComponent.cs
index 0649dc0800..4a7928e260 100644
--- a/Content.Server/Weapon/Ranged/Barrels/Components/ServerRangedBarrelComponent.cs
+++ b/Content.Server/Weapon/Ranged/Barrels/Components/ServerRangedBarrelComponent.cs
@@ -48,9 +48,6 @@ namespace Content.Server.Weapon.Ranged.Barrels.Components
 
         public override FireRateSelector AllRateSelectors => _fireRateSelector;
 
-        [DataField("allSelectors")]
-        private FireRateSelector _allRateSelectors;
-
         [DataField("fireRate")]
         public override float FireRate { get; } = 2f;