diff --git a/src/main/java/dan200/computercraft/core/lua/BasicFunction.java b/src/main/java/dan200/computercraft/core/lua/BasicFunction.java
index 60e4d1bc9..ee28bf8d5 100644
--- a/src/main/java/dan200/computercraft/core/lua/BasicFunction.java
+++ b/src/main/java/dan200/computercraft/core/lua/BasicFunction.java
@@ -41,7 +41,7 @@ class BasicFunction extends VarArgFunction
     @Override
     public Varargs invoke( LuaState luaState, Varargs args ) throws LuaError
     {
-        IArguments arguments = CobaltLuaMachine.toArguments( args );
+        IArguments arguments = VarargArguments.of( args );
         MethodResult results;
         try
         {
diff --git a/src/main/java/dan200/computercraft/core/lua/CobaltLuaMachine.java b/src/main/java/dan200/computercraft/core/lua/CobaltLuaMachine.java
index aaff61ce9..163c322d1 100644
--- a/src/main/java/dan200/computercraft/core/lua/CobaltLuaMachine.java
+++ b/src/main/java/dan200/computercraft/core/lua/CobaltLuaMachine.java
@@ -424,11 +424,6 @@ public class CobaltLuaMachine implements ILuaMachine
         return objects;
     }
 
-    static IArguments toArguments( Varargs values )
-    {
-        return values == Constants.NONE ? VarargArguments.EMPTY : new VarargArguments( values );
-    }
-
     /**
      * A {@link DebugHandler} which observes the {@link TimeoutState} and responds accordingly.
      */
diff --git a/src/main/java/dan200/computercraft/core/lua/ResultInterpreterFunction.java b/src/main/java/dan200/computercraft/core/lua/ResultInterpreterFunction.java
index d7b9ec297..e3652be3f 100644
--- a/src/main/java/dan200/computercraft/core/lua/ResultInterpreterFunction.java
+++ b/src/main/java/dan200/computercraft/core/lua/ResultInterpreterFunction.java
@@ -51,7 +51,7 @@ class ResultInterpreterFunction extends ResumableVarArgFunction<ResultInterprete
     @Override
     protected Varargs invoke( LuaState state, DebugFrame debugFrame, Varargs args ) throws LuaError, UnwindThrowable
     {
-        IArguments arguments = CobaltLuaMachine.toArguments( args );
+        IArguments arguments = VarargArguments.of( args );
         MethodResult results;
         try
         {
diff --git a/src/main/java/dan200/computercraft/core/lua/VarargArguments.java b/src/main/java/dan200/computercraft/core/lua/VarargArguments.java
index dc8f99b9e..73b799aea 100644
--- a/src/main/java/dan200/computercraft/core/lua/VarargArguments.java
+++ b/src/main/java/dan200/computercraft/core/lua/VarargArguments.java
@@ -15,19 +15,24 @@ import javax.annotation.Nullable;
 import java.nio.ByteBuffer;
 import java.util.Optional;
 
-class VarargArguments implements IArguments
+final class VarargArguments implements IArguments
 {
-    static final IArguments EMPTY = new VarargArguments( Constants.NONE );
+    private static final IArguments EMPTY = new VarargArguments( Constants.NONE );
 
     boolean released;
     private final Varargs varargs;
     private Object[] cache;
 
-    VarargArguments( Varargs varargs )
+    private VarargArguments( Varargs varargs )
     {
         this.varargs = varargs;
     }
 
+    static IArguments of( Varargs values )
+    {
+        return values == Constants.NONE ? EMPTY : new VarargArguments( values );
+    }
+
     @Override
     public int count()
     {