--- a/com/mojang/brigadier/CommandDispatcher.java
+++ b/com/mojang/brigadier/CommandDispatcher.java
@@ -3,6 +3,7 @@
 
 package com.mojang.brigadier;
 
+// CHECKSTYLE:OFF
 import com.mojang.brigadier.builder.LiteralArgumentBuilder;
 import com.mojang.brigadier.context.CommandContext;
 import com.mojang.brigadier.context.CommandContextBuilder;
@@ -537,10 +538,14 @@
         int i = 0;
         for (final CommandNode<S> node : parent.getChildren()) {
             CompletableFuture<Suggestions> future = Suggestions.empty();
+            // Paper start - Don't suggest if the requirement isn't met
+            if (parent != this.root || node.canUse(context.getSource())) {
             try {
-                future = node.listSuggestions(context.build(truncatedInput), new SuggestionsBuilder(truncatedInput, truncatedInputLowerCase, start));
+                future = node.listSuggestions(context.build(truncatedInput), new SuggestionsBuilder(truncatedInput, truncatedInputLowerCase, start)); // CraftBukkit
             } catch (final CommandSyntaxException ignored) {
             }
+            }
+            // Paper end - Don't suggest if the requirement isn't met
             futures[i++] = future;
         }