diff --git a/core/src/mindustry/world/blocks/power/PowerGraph.java b/core/src/mindustry/world/blocks/power/PowerGraph.java
index 3bdddb5d22..3b217a06ba 100644
--- a/core/src/mindustry/world/blocks/power/PowerGraph.java
+++ b/core/src/mindustry/world/blocks/power/PowerGraph.java
@@ -270,7 +270,7 @@ public class PowerGraph{
         if(build.power.graph != this || !build.power.init){
             //any old graph that is added here MUST be invalid, remove it
             if(build.power.graph != null && build.power.graph != this){
-                if( build.power.graph.entity != null) build.power.graph.entity.remove();
+                if(build.power.graph.entity != null) build.power.graph.entity.remove();
             }
 
             build.power.graph = this;
diff --git a/core/src/mindustry/world/blocks/power/VariableReactor.java b/core/src/mindustry/world/blocks/power/VariableReactor.java
index 038bb39a44..5cbd6574f0 100644
--- a/core/src/mindustry/world/blocks/power/VariableReactor.java
+++ b/core/src/mindustry/world/blocks/power/VariableReactor.java
@@ -70,7 +70,7 @@ public class VariableReactor extends PowerGenerator{
         public void updateTile(){
             heat = calculateHeat(sideHeat);
 
-            productionEfficiency = Mathf.clamp(heat / maxHeat);
+            productionEfficiency = Mathf.clamp(heat / maxHeat) * efficiency;
             warmup = Mathf.lerpDelta(warmup, productionEfficiency > 0 ? 1f : 0f, warmupSpeed);
 
             if(instability >= 1f){
diff --git a/core/src/mindustry/world/consumers/Consume.java b/core/src/mindustry/world/consumers/Consume.java
index be75eaacd6..4f9cadffe6 100644
--- a/core/src/mindustry/world/consumers/Consume.java
+++ b/core/src/mindustry/world/consumers/Consume.java
@@ -7,8 +7,6 @@ import mindustry.world.meta.*;
 
 /** An abstract class that defines a type of resource that a block can consume. */
 public abstract class Consume{
-
-    //TODO maybe remove these and make it an interface if possible?
     /** If true, this consumer will not influence consumer validity. */
     public boolean optional;
     /** If true, this consumer will be displayed as a boost input. */
@@ -61,7 +59,4 @@ public abstract class Consume{
     }
 
     public void display(Stats stats){}
-
-    //TODO this should use efficiency instead - remove or deprecate
-    //public abstract boolean valid(Building build);
 }