diff --git a/src/com/massivecraft/factions/cmd/CmdFactionsPermList.java b/src/com/massivecraft/factions/cmd/CmdFactionsPermList.java
index 3d12e66c..f6ea0f3f 100644
--- a/src/com/massivecraft/factions/cmd/CmdFactionsPermList.java
+++ b/src/com/massivecraft/factions/cmd/CmdFactionsPermList.java
@@ -7,10 +7,10 @@ import com.massivecraft.massivecore.MassiveException;
 import com.massivecraft.massivecore.command.Parameter;
 import com.massivecraft.massivecore.pager.Pager;
 import com.massivecraft.massivecore.pager.Stringifier;
-import com.massivecraft.massivecore.predicate.Predicate;
 import org.bukkit.Bukkit;
 
 import java.util.List;
+import java.util.function.Predicate;
 
 public class CmdFactionsPermList extends FactionsCommand
 {
diff --git a/src/com/massivecraft/factions/cmd/CmdFactionsSetFill.java b/src/com/massivecraft/factions/cmd/CmdFactionsSetFill.java
index 0bdc09e1..45590206 100644
--- a/src/com/massivecraft/factions/cmd/CmdFactionsSetFill.java
+++ b/src/com/massivecraft/factions/cmd/CmdFactionsSetFill.java
@@ -7,11 +7,11 @@ import com.massivecraft.factions.entity.MConf;
 import com.massivecraft.massivecore.MassiveException;
 import com.massivecraft.massivecore.command.requirement.RequirementHasPerm;
 import com.massivecraft.massivecore.command.requirement.RequirementIsPlayer;
-import com.massivecraft.massivecore.predicate.Predicate;
 import com.massivecraft.massivecore.ps.PS;
 import com.massivecraft.massivecore.util.ChunkUtil;
 
 import java.util.Set;
+import java.util.function.Predicate;
 
 
 public class CmdFactionsSetFill extends CmdFactionsSetXSimple
diff --git a/src/com/massivecraft/factions/predicate/PredicateCommandSenderFaction.java b/src/com/massivecraft/factions/predicate/PredicateCommandSenderFaction.java
index d8f60998..59464a75 100644
--- a/src/com/massivecraft/factions/predicate/PredicateCommandSenderFaction.java
+++ b/src/com/massivecraft/factions/predicate/PredicateCommandSenderFaction.java
@@ -2,11 +2,11 @@ package com.massivecraft.factions.predicate;
 
 import com.massivecraft.factions.entity.Faction;
 import com.massivecraft.factions.entity.MPlayer;
-import com.massivecraft.massivecore.predicate.Predicate;
 import com.massivecraft.massivecore.util.MUtil;
 import org.bukkit.command.CommandSender;
 
 import java.io.Serializable;
+import java.util.function.Predicate;
 
 public class PredicateCommandSenderFaction implements Predicate<CommandSender>, Serializable
 {
@@ -33,7 +33,7 @@ public class PredicateCommandSenderFaction implements Predicate<CommandSender>,
 	// -------------------------------------------- //
 	
 	@Override
-	public boolean apply(CommandSender sender)
+	public boolean test(CommandSender sender)
 	{
 		if (MUtil.isntSender(sender)) return false;
 		
diff --git a/src/com/massivecraft/factions/predicate/PredicateMPlayerRank.java b/src/com/massivecraft/factions/predicate/PredicateMPlayerRank.java
index 423f22af..504570fd 100644
--- a/src/com/massivecraft/factions/predicate/PredicateMPlayerRank.java
+++ b/src/com/massivecraft/factions/predicate/PredicateMPlayerRank.java
@@ -3,7 +3,8 @@ package com.massivecraft.factions.predicate;
 import com.massivecraft.factions.entity.Faction;
 import com.massivecraft.factions.entity.MPlayer;
 import com.massivecraft.factions.entity.Rank;
-import com.massivecraft.massivecore.predicate.Predicate;
+
+import java.util.function.Predicate;
 
 public class PredicateMPlayerRank implements Predicate<MPlayer>
 {
@@ -29,7 +30,7 @@ public class PredicateMPlayerRank implements Predicate<MPlayer>
 	// -------------------------------------------- //
 
 	@Override
-	public boolean apply(MPlayer mplayer)
+	public boolean test(MPlayer mplayer)
 	{
 		if (mplayer == null) return false;
 		Faction faction = mplayer.getFaction();