diff --git a/lib/liquid/block_body.rb b/lib/liquid/block_body.rb
index f971b0f7..71331ef5 100644
--- a/lib/liquid/block_body.rb
+++ b/lib/liquid/block_body.rb
@@ -12,78 +12,6 @@ module Liquid
     TAGSTART            = "{%"
     VARSTART            = "{{"
 
-    # Fast manual tag token parser - avoids regex MatchData allocation
-    # Parses "{%[-] tag_name markup [-]%}" and returns [pre_ws, tag_name, post_ws, markup] or nil
-    NEWLINE_BYTE = 10 # "\n".ord
-
-    class << self
-      attr_reader :_last_markup, :_last_newlines
-    end
-
-    # Fast manual tag token parser - avoids regex MatchData allocation
-    # Parses "{%[-] tag_name markup [-]%}" directly into parse_context fields
-    # Returns tag_name string or nil on failure. Sets @_tag_markup and @_tag_newlines.
-    def self.parse_tag_token(token)
-      # token starts with "{%"
-      pos = 2
-      len = token.length
-      newlines = 0
-
-      # skip optional whitespace control '-'
-      pos += 1 if pos < len && token.getbyte(pos) == 45 # '-'
-
-      # skip pre-whitespace, counting newlines
-      while pos < len
-        b = token.getbyte(pos)
-        if b == NEWLINE_BYTE
-          newlines += 1
-          pos += 1
-        elsif b == 32 || b == 9 || b == 13 # space, tab, \r
-          pos += 1
-        else
-          break
-        end
-      end
-
-      # parse tag name: # or \w+
-      name_start = pos
-      if pos < len && token.getbyte(pos) == 35 # '#'
-        pos += 1
-      else
-        while pos < len
-          b = token.getbyte(pos)
-          break unless (b >= 97 && b <= 122) || (b >= 65 && b <= 90) || (b >= 48 && b <= 57) || b == 95
-          pos += 1
-        end
-      end
-      return nil if pos == name_start
-      tag_name = token.byteslice(name_start, pos - name_start)
-
-      # skip post-whitespace, counting newlines
-      while pos < len
-        b = token.getbyte(pos)
-        if b == NEWLINE_BYTE
-          newlines += 1
-          pos += 1
-        elsif b == 32 || b == 9 || b == 13
-          pos += 1
-        else
-          break
-        end
-      end
-
-      # the rest is markup, up to optional '-' and '%}'
-      markup_end = len - 2
-      markup_end -= 1 if markup_end > pos && token.getbyte(markup_end - 1) == 45
-      markup = pos >= markup_end ? "" : token.byteslice(pos, markup_end - pos)
-
-      # Store extra results to avoid array allocation for the return value
-      @_last_markup = markup
-      @_last_newlines = newlines
-
-      tag_name
-    end
-
     attr_reader :nodelist
 
     def initialize
diff --git a/lib/liquid/tags/if.rb b/lib/liquid/tags/if.rb
index 242141be..70d6a16f 100644
--- a/lib/liquid/tags/if.rb
+++ b/lib/liquid/tags/if.rb
@@ -85,8 +85,6 @@ module Liquid
       Condition.parse_expression(parse_context, markup, safe: safe)
     end
 
-    # Fast path regex for simple conditions: "expr", "expr op expr" (no and/or)
-    SIMPLE_CONDITION = /\A\s*(#{QuotedFragment})\s*(?:([=!<>a-z_]+)\s*(#{QuotedFragment}))?\s*\z/o
 
     def lax_parse(markup)
       # Fastest path: simple identifier truthiness like "product.available" or "forloop.first"