diff --git a/src/rocky_man/processor/converter.py b/src/rocky_man/processor/converter.py
index 6d82920..c868055 100644
--- a/src/rocky_man/processor/converter.py
+++ b/src/rocky_man/processor/converter.py
@@ -171,11 +171,27 @@ class ManPageConverter:
         Returns:
             Cleaned HTML
         """
+        # Fix empty header cells
         html = re.sub(
             r'<td class="head-(ltitle|rtitle)">\(\)</td>',
             r'<td class="head-\1"></td>',
             html,
         )
+
+        # Remove empty <p class="Pp"></p> tags (from .sp directives in troff)
+        html = re.sub(r'<p class="Pp">\s*</p>', '', html)
+
+        # Clean up trailing whitespace and br tags in pre blocks
+        # Match: <pre>...</pre> and clean trailing <br/> followed by whitespace
+        def clean_pre_block(match):
+            content = match.group(1)
+            # Remove trailing <br/> tags and whitespace before closing </pre>
+            content = re.sub(r'<br\s*/>\s*$', '', content)
+            content = re.sub(r'\s+$', '', content)
+            return f'<pre>{content}</pre>'
+
+        html = re.sub(r'<pre>(.*?)</pre>', clean_pre_block, html, flags=re.DOTALL)
+
         html = html.strip()
 
         return html