diff --git a/assets/parser.d.erb b/assets/parser.d.erb
index 6c044ee..8939ed1 100644
--- a/assets/parser.d.erb
+++ b/assets/parser.d.erb
@@ -191,12 +191,7 @@ class <%= @classname %>
             uint n_transitions;
             Token token;
             UserCodeID code_id;
-            bool drop;
-
-            bool accepts() const
-            {
-                return drop || token.is_valid() || code_id.is_valid();
-            }
+            bool accepts;
         }
 
         private struct Mode
@@ -225,7 +220,7 @@ class <%= @classname %>
 <%   else %>
                   UserCodeID.invalid(),
 <%   end %>
-                  <%= state_table_entry[:drop] %>),
+                  <%= state_table_entry[:accepts] %>),
 <% end %>
         ];
 
@@ -269,7 +264,7 @@ class <%= @classname %>
             for (;;)
             {
                 size_t result = attempt_lex_token(out_token_info);
-                if (out_token_info.token < _TOKEN_COUNT)
+                if (result != P_DROP)
                 {
                     return result;
                 }
@@ -340,7 +335,7 @@ class <%= @classname %>
                 {
                     m_input_col += match_info.delta_col;
                 }
-                if (match_info.accepting_state.drop)
+                if (token_to_accept == _TOKEN_COUNT)
                 {
                     return P_DROP;
                 }
@@ -410,7 +405,7 @@ class <%= @classname %>
                             attempt_match.delta_col++;
                         }
                         current_state = transition_result.destination();
-                        if (states[current_state].accepts())
+                        if (states[current_state].accepts)
                         {
                             attempt_match.accepting_state = &states[current_state];
                             longest_match = attempt_match;
diff --git a/lib/propane/grammar.rb b/lib/propane/grammar.rb
index 38ff8a2..8b8f765 100644
--- a/lib/propane/grammar.rb
+++ b/lib/propane/grammar.rb
@@ -148,7 +148,7 @@ class Propane
         end
         consume!(/\s+/)
         consume!(/;/, "expected `;'")
-        @patterns << Pattern.new(pattern: pattern, line_number: @line_number, drop: true, mode: @mode)
+        @patterns << Pattern.new(pattern: pattern, line_number: @line_number, mode: @mode)
         @mode = nil
         true
       end
diff --git a/lib/propane/lexer.rb b/lib/propane/lexer.rb
index 9c096e7..257ebae 100644
--- a/lib/propane/lexer.rb
+++ b/lib/propane/lexer.rb
@@ -24,7 +24,6 @@ class Propane
         }
         states = mode_info[:dfa].enumerate
         states.each do |state, id|
-          drop = state.accepts && state.accepts.drop?
           token =
             if state.accepts && state.accepts.token
               state.accepts.token.id
@@ -36,7 +35,7 @@ class Propane
           state_table << {
             transition_table_index: transition_table.size,
             n_transitions: state.transitions.size,
-            drop: drop,
+            accepts: !!state.accepts,
             token: token,
             code_id: code_id,
           }
diff --git a/lib/propane/pattern.rb b/lib/propane/pattern.rb
index 7e87ccc..c046ddb 100644
--- a/lib/propane/pattern.rb
+++ b/lib/propane/pattern.rb
@@ -40,8 +40,6 @@ class Propane
     #   Optional parameters.
     # @option options [String, nil] :code
     #   Code block to execute when the pattern is matched.
-    # @option options [Boolean] :drop
-    #   Whether this is a drop pattern.
     # @option options [String, nil] :pattern
     #   Pattern.
     # @option options [Token, nil] :token
@@ -52,7 +50,6 @@ class Propane
     #   Lexer mode for this pattern.
     def initialize(options)
       @code = options[:code]
-      @drop = options[:drop]
       @pattern = options[:pattern]
       @token = options[:token]
       @line_number = options[:line_number]
@@ -63,14 +60,6 @@ class Propane
       @nfa = regex.nfa
     end
 
-    # Whether the pattern is a drop pattern.
-    #
-    # @return [Boolean]
-    #   Whether the pattern is a drop pattern.
-    def drop?
-      @drop
-    end
-
   end
 
 end