diff --git a/crates/oxc_minifier/src/peephole/replace_known_methods.rs b/crates/oxc_minifier/src/peephole/replace_known_methods.rs
index d00d4c81626c6..b7e3d40091b57 100644
--- a/crates/oxc_minifier/src/peephole/replace_known_methods.rs
+++ b/crates/oxc_minifier/src/peephole/replace_known_methods.rs
@@ -127,7 +127,8 @@ impl<'a> PeepholeOptimizations {
             return;
         };
 
-        if matches!(ctx.parent(), Ancestor::StaticMemberExpressionObject(_)) {
+        if matches!(ctx.parent(), Ancestor::StaticMemberExpressionObject(member) if member.property().name == "concat")
+        {
             return;
         }
 
@@ -1389,15 +1390,22 @@ mod test {
         // array
         test("x = [1,2].concat(1).concat(2,['abc']).concat('abc')", "x = [1,2,1,2,'abc','abc']");
         test("x = [].concat(['abc']).concat(1).concat([2,3])", "x = ['abc',1,2,3]");
+        test("x = [].concat(1).concat(2).join(',')", "x = [1,2].join(',')");
 
         test("var x, y; [1].concat(x).concat(y)", "var x, y; [1].concat(x, y)");
         test("var y; [1].concat(x).concat(y)", "var y; [1].concat(x, y)"); // x might have a getter that updates y, but that side effect is preserved correctly
         test("var x; [1].concat(x.a).concat(x)", "var x; [1].concat(x.a, x)"); // x.a might have a getter that updates x, but that side effect is preserved correctly
+        test_same("x = [].map(a => a + 1).concat(1)");
 
         // string
         test("x = '1'.concat(1).concat(2,['abc']).concat('abc')", "x = '112abcabc'");
         test("x = ''.concat(['abc']).concat(1).concat([2,3])", "x = 'abc12,3'");
         test("x = ''.concat(1)", "x = '1'");
+        test(
+            "x = ''.concat('a', ' ').concat('b').split(/[\\s\\n]+/)",
+            "x = 'a b'.split(/[\\s\\n]+/)",
+        );
+        test_same("x = ''.split().concat(1)");
 
         test("var x, y; v = ''.concat(x).concat(y)", "var x, y; v = `${x}${y}`");
         test("var y; v = ''.concat(x).concat(y)", "var y; v = `${x}${y}`"); // x might have a getter that updates y, but that side effect is preserved correctly
diff --git a/tasks/minsize/minsize.snap b/tasks/minsize/minsize.snap
index 8a97d88657794..247b8873cbe79 100644
--- a/tasks/minsize/minsize.snap
+++ b/tasks/minsize/minsize.snap
@@ -21,7 +21,7 @@ Original   | minified   | minified   | gzip       | gzip       | Iterations | Fi
 
 3.20 MB    | 1.00 MB    | 1.01 MB    | 323.10 kB  | 331.56 kB  |          3 | echarts.js 
 
-6.69 MB    | 2.22 MB    | 2.31 MB    | 459.28 kB  | 488.28 kB  |          4 | antd.js    
+6.69 MB    | 2.22 MB    | 2.31 MB    | 459.26 kB  | 488.28 kB  |          4 | antd.js    
 
 10.95 MB   | 3.34 MB    | 3.49 MB    | 855.24 kB  | 915.50 kB  |          4 | typescript.js 
 
diff --git a/tasks/track_memory_allocations/allocs_minifier.snap b/tasks/track_memory_allocations/allocs_minifier.snap
index eb2118aee7b6c..05780b78fea66 100644
--- a/tasks/track_memory_allocations/allocs_minifier.snap
+++ b/tasks/track_memory_allocations/allocs_minifier.snap
@@ -2,13 +2,13 @@ File                       | File size      || Sys allocs     | Sys reallocs   |
 -------------------------------------------------------------------------------------------------------------------------------------------
 checker.ts                 | 2.92 MB        ||          84074 |          14190 ||         153691 |          29463 | 5.625 MB      
 
-cal.com.tsx                | 1.06 MB        ||          40526 |           3033 ||          37074 |           4733 | 1.654 MB      
+cal.com.tsx                | 1.06 MB        ||          40526 |           3033 ||          37077 |           4736 | 1.654 MB      
 
 RadixUIAdoptionSection.jsx | 2.52 kB        ||             83 |              8 ||             30 |              6 | 992 B         
 
 pdf.mjs                    | 567.30 kB      ||          19823 |           2900 ||          47400 |           7781 | 1.624 MB      
 
-antd.js                    | 6.69 MB        ||          99855 |          13518 ||         331725 |          70117 | 17.407 MB     
+antd.js                    | 6.69 MB        ||          99862 |          13523 ||         331767 |          70119 | 17.415 MB     
 
 binder.ts                  | 193.08 kB      ||           4769 |            974 ||           7059 |            834 | 201.192 kB