diff --git a/core/assets/bundles/bundle.properties b/core/assets/bundles/bundle.properties
index 268f0853ed..f492a6f473 100644
--- a/core/assets/bundles/bundle.properties
+++ b/core/assets/bundles/bundle.properties
@@ -574,6 +574,10 @@ settings.clear.confirm = Are you sure you want to clear this data?\nWhat is done
 settings.clearall.confirm = [scarlet]WARNING![]\nThis will clear all data, including saves, maps, unlocks and keybinds.\nOnce you press 'ok' the game will wipe all data and automatically exit.
 settings.clearsaves.confirm = Are you sure you want to clear all your saves?
 settings.clearsaves = Clear Saves
+settings.clearresearch = Clear Research
+settings.clearresearch.confirm = Are you sure you want to clear all of your campaign research?
+settings.clearcampaignsaves = Clear Campaign Saves
+settings.clearcampaignsaves.confirm = Are you sure you want to clear all of your campaign saves?
 paused = [accent]< Paused >
 clear = Clear
 banned = [scarlet]Banned
diff --git a/core/src/mindustry/content/TechTree.java b/core/src/mindustry/content/TechTree.java
index 6118ca7b74..63eb9f2679 100644
--- a/core/src/mindustry/content/TechTree.java
+++ b/core/src/mindustry/content/TechTree.java
@@ -605,8 +605,6 @@ public class TechTree implements ContentList{
         public final ItemStack[] finishedRequirements;
         /** Extra objectives needed to research this. */
         public Seq<Objective> objectives = new Seq<>();
-        /** Time required to research this content, in seconds. */
-        public float time;
         /** Nodes that depend on this node. */
         public final Seq<TechNode> children = new Seq<>();
 
@@ -617,7 +615,6 @@ public class TechTree implements ContentList{
             this.content = content;
             this.requirements = requirements;
             this.depth = parent == null ? 0 : parent.depth + 1;
-            this.time = Seq.with(requirements).mapFloat(i -> i.item.cost * i.amount).sum() * 10;
             this.finishedRequirements = new ItemStack[requirements.length];
 
             //load up the requirements that have been finished if settings are available
@@ -632,6 +629,14 @@ public class TechTree implements ContentList{
             all.add(this);
         }
 
+        /** Resets finished requirements and saves. */
+        public void reset(){
+            for(ItemStack stack : finishedRequirements){
+                stack.amount = 0;
+            }
+            save();
+        }
+
         /** Removes this node from the tech tree. */
         public void remove(){
             all.remove(this);
diff --git a/core/src/mindustry/ctype/UnlockableContent.java b/core/src/mindustry/ctype/UnlockableContent.java
index fb182851e0..9e8fb954ec 100644
--- a/core/src/mindustry/ctype/UnlockableContent.java
+++ b/core/src/mindustry/ctype/UnlockableContent.java
@@ -125,6 +125,14 @@ public abstract class UnlockableContent extends MappableContent{
         return unlocked || alwaysUnlocked;
     }
 
+    /** Locks this content again. */
+    public void clearUnlock(){
+        if(unlocked){
+            unlocked = false;
+            Core.settings.put(name + "-unlocked", false);
+        }
+    }
+
     /** @return whether this content is unlocked, or the player is in a custom (non-campaign) game. */
     public boolean unlockedNow(){
         return unlocked() || !state.isCampaign();
diff --git a/core/src/mindustry/type/Sector.java b/core/src/mindustry/type/Sector.java
index 975c8b82c8..d9d54ba91c 100644
--- a/core/src/mindustry/type/Sector.java
+++ b/core/src/mindustry/type/Sector.java
@@ -15,8 +15,7 @@ import static mindustry.Vars.*;
 
 /** A small section of a planet. */
 public class Sector{
-    private static final Seq<Sector> tmpSeq1 = new Seq<>(), tmpSeq2 = new Seq<>(), tmpSeq3 = new Seq<>();
-    private static final ObjectSet<Sector> tmpSet = new ObjectSet<>();
+    private static final Seq<Sector> tmpSeq1 = new Seq<>();
 
     public final SectorRect rect;
     public final Plane plane;
@@ -80,6 +79,12 @@ public class Sector{
         info = Core.settings.getJson(planet.name + "-s-" + id + "-info", SectorInfo.class, SectorInfo::new);
     }
 
+    /** Removes any sector info. */
+    public void clearInfo(){
+        info = new SectorInfo();
+        Core.settings.remove(planet.name + "-s-" + id + "-info");
+    }
+
     public float getProductionScale(){
         return Math.max(1f - info.damage, 0);
     }
diff --git a/core/src/mindustry/ui/dialogs/SettingsMenuDialog.java b/core/src/mindustry/ui/dialogs/SettingsMenuDialog.java
index c00076d92b..d58b930e77 100644
--- a/core/src/mindustry/ui/dialogs/SettingsMenuDialog.java
+++ b/core/src/mindustry/ui/dialogs/SettingsMenuDialog.java
@@ -14,8 +14,11 @@ import arc.scene.ui.layout.*;
 import arc.struct.*;
 import arc.util.*;
 import arc.util.io.*;
+import mindustry.content.*;
+import mindustry.content.TechTree.*;
 import mindustry.core.GameState.*;
 import mindustry.core.*;
+import mindustry.ctype.*;
 import mindustry.game.EventType.*;
 import mindustry.gen.*;
 import mindustry.graphics.*;
@@ -116,6 +119,37 @@ public class SettingsMenuDialog extends SettingsDialog{
 
             t.row();
 
+            t.button("@settings.clearresearch", Icon.trash, style, () -> {
+                ui.showConfirm("@confirm", "@settings.clearresearch.confirm", () -> {
+                    for(TechNode node : TechTree.all){
+                        node.reset();
+                    }
+                    content.each(c -> {
+                        if(c instanceof UnlockableContent u){
+                            u.clearUnlock();
+                        }
+                    });
+                });
+            }).marginLeft(4);
+
+            t.row();
+
+            t.button("@settings.clearcampaignsaves", Icon.trash, style, () -> {
+                ui.showConfirm("@confirm", "@settings.clearcampaignsaves.confirm", () -> {
+                    for(var planet : content.planets()){
+                        for(var sec : planet.sectors){
+                            sec.clearInfo();
+                            if(sec.save != null){
+                                sec.save.delete();
+                                sec.save = null;
+                            }
+                        }
+                    }
+                });
+            }).marginLeft(4);
+
+            t.row();
+
             t.button("@data.export", Icon.upload, style, () -> {
                 if(ios){
                     Fi file = Core.files.local("mindustry-data-export.zip");