diff --git a/crates/markdown/src/markdown.rs b/crates/markdown/src/markdown.rs
index 560ee02b8cf7b4210c3bf4013f58fff670144700..c2d8e45f16ea6f8dbe788cffae00a0bf7fc2b640 100644
--- a/crates/markdown/src/markdown.rs
+++ b/crates/markdown/src/markdown.rs
@@ -157,32 +157,6 @@ impl MarkdownStyle {
             rule_color: colors.border,
             block_quote_border_color: colors.border,
             code_block_overflow_x_scroll: true,
-            heading_level_styles: Some(HeadingLevelStyles {
-                h1: Some(TextStyleRefinement {
-                    font_size: Some(rems(1.15).into()),
-                    ..Default::default()
-                }),
-                h2: Some(TextStyleRefinement {
-                    font_size: Some(rems(1.1).into()),
-                    ..Default::default()
-                }),
-                h3: Some(TextStyleRefinement {
-                    font_size: Some(rems(1.05).into()),
-                    ..Default::default()
-                }),
-                h4: Some(TextStyleRefinement {
-                    font_size: Some(rems(1.).into()),
-                    ..Default::default()
-                }),
-                h5: Some(TextStyleRefinement {
-                    font_size: Some(rems(0.95).into()),
-                    ..Default::default()
-                }),
-                h6: Some(TextStyleRefinement {
-                    font_size: Some(rems(0.875).into()),
-                    ..Default::default()
-                }),
-            }),
             code_block: StyleRefinement {
                 padding: EdgesRefinement {
                     top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
@@ -1124,7 +1098,7 @@ impl MarkdownElement {
         text_align_override: Option<TextAlign>,
     ) {
         let align = text_align_override.unwrap_or(self.style.base_text_style.text_align);
-        let mut heading = div().mb_2();
+        let mut heading = div().mt_4().mb_2();
         heading = apply_heading_style(heading, level, self.style.heading_level_styles.as_ref());
 
         heading = match align {
@@ -3650,4 +3624,33 @@ mod tests {
             }
         }
     }
+
+    #[gpui::test]
+    fn test_heading_font_sizes_are_distinct(cx: &mut TestAppContext) {
+        let rendered = render_markdown("# H1\n\n## H2\n\n### H3\n\nBody text", cx);
+
+        assert!(
+            rendered.lines.len() >= 4,
+            "expected at least 4 rendered lines, got {}",
+            rendered.lines.len()
+        );
+
+        let h1_line_height = rendered.lines[0].layout.line_height();
+        let h2_line_height = rendered.lines[1].layout.line_height();
+        let h3_line_height = rendered.lines[2].layout.line_height();
+        let body_line_height = rendered.lines[3].layout.line_height();
+
+        assert!(
+            h1_line_height > h2_line_height,
+            "H1 line height ({h1_line_height:?}) should be greater than H2 ({h2_line_height:?})"
+        );
+        assert!(
+            h2_line_height > h3_line_height,
+            "H2 line height ({h2_line_height:?}) should be greater than H3 ({h3_line_height:?})"
+        );
+        assert!(
+            h3_line_height > body_line_height,
+            "H3 line height ({h3_line_height:?}) should be greater than body text ({body_line_height:?})"
+        );
+    }
 }