diff --git a/Content.Shared/Interaction/SharedInteractionSystem.cs b/Content.Shared/Interaction/SharedInteractionSystem.cs
index c32b4bcf78..aca078687a 100644
--- a/Content.Shared/Interaction/SharedInteractionSystem.cs
+++ b/Content.Shared/Interaction/SharedInteractionSystem.cs
@@ -952,7 +952,7 @@ namespace Content.Shared.Interaction
             RaiseLocalEvent(target, interactUsingEvent, true);
             DoContactInteraction(user, used, interactUsingEvent);
             DoContactInteraction(user, target, interactUsingEvent);
-            DoContactInteraction(used, target, interactUsingEvent);
+            // Contact interactions are currently only used for forensics, so we don't raise used -> target
             if (interactUsingEvent.Handled)
                 return;
 
@@ -973,7 +973,7 @@ namespace Content.Shared.Interaction
             if (canReach)
             {
                 DoContactInteraction(user, target, afterInteractEvent);
-                DoContactInteraction(used, target, afterInteractEvent);
+                // Contact interactions are currently only used for forensics, so we don't raise used -> target
             }
 
             if (afterInteractEvent.Handled)
@@ -989,7 +989,7 @@ namespace Content.Shared.Interaction
             if (canReach)
             {
                 DoContactInteraction(user, target, afterInteractUsingEvent);
-                DoContactInteraction(used, target, afterInteractUsingEvent);
+                // Contact interactions are currently only used for forensics, so we don't raise used -> target
             }
         }
 
diff --git a/Content.Shared/Weapons/Melee/SharedMeleeWeaponSystem.cs b/Content.Shared/Weapons/Melee/SharedMeleeWeaponSystem.cs
index 42b6a3c9c7..72cf4ec550 100644
--- a/Content.Shared/Weapons/Melee/SharedMeleeWeaponSystem.cs
+++ b/Content.Shared/Weapons/Melee/SharedMeleeWeaponSystem.cs
@@ -485,7 +485,7 @@ public abstract class SharedMeleeWeaponSystem : EntitySystem
 
         var weapon = GetEntity(ev.Weapon);
 
-        Interaction.DoContactInteraction(weapon, target);
+        // We skip weapon -> target interaction, as forensics system applies DNA on hit
         Interaction.DoContactInteraction(user, weapon);
 
         // If the user is using a long-range weapon, this probably shouldn't be happening? But I'll interpret melee as a
@@ -616,7 +616,7 @@ public abstract class SharedMeleeWeaponSystem : EntitySystem
         // For stuff that cares about it being attacked.
         foreach (var target in targets)
         {
-            Interaction.DoContactInteraction(weapon, target);
+            // We skip weapon -> target interaction, as forensics system applies DNA on hit
 
             // If the user is using a long-range weapon, this probably shouldn't be happening? But I'll interpret melee as a
             // somewhat messy scuffle. See also, light attacks.