diff --git a/lib/libc/musl/src/math/aarch64/round.c b/lib/libc/musl/src/math/aarch64/round.c
deleted file mode 100644
index 897a84cc2a..0000000000
--- a/lib/libc/musl/src/math/aarch64/round.c
+++ /dev/null
@@ -1,7 +0,0 @@
-#include <math.h>
-
-double round(double x)
-{
-	__asm__ ("frinta %d0, %d1" : "=w"(x) : "w"(x));
-	return x;
-}
diff --git a/lib/libc/musl/src/math/powerpc64/round.c b/lib/libc/musl/src/math/powerpc64/round.c
deleted file mode 100644
index 4b9318e09f..0000000000
--- a/lib/libc/musl/src/math/powerpc64/round.c
+++ /dev/null
@@ -1,15 +0,0 @@
-#include <math.h>
-
-#ifdef _ARCH_PWR5X
-
-double round(double x)
-{
-	__asm__ ("frin %0, %1" : "=d"(x) : "d"(x));
-	return x;
-}
-
-#else
-
-#include "../round.c"
-
-#endif
diff --git a/lib/libc/musl/src/math/round.c b/lib/libc/musl/src/math/round.c
deleted file mode 100644
index 130d58d257..0000000000
--- a/lib/libc/musl/src/math/round.c
+++ /dev/null
@@ -1,35 +0,0 @@
-#include "libm.h"
-
-#if FLT_EVAL_METHOD==0 || FLT_EVAL_METHOD==1
-#define EPS DBL_EPSILON
-#elif FLT_EVAL_METHOD==2
-#define EPS LDBL_EPSILON
-#endif
-static const double_t toint = 1/EPS;
-
-double round(double x)
-{
-	union {double f; uint64_t i;} u = {x};
-	int e = u.i >> 52 & 0x7ff;
-	double_t y;
-
-	if (e >= 0x3ff+52)
-		return x;
-	if (u.i >> 63)
-		x = -x;
-	if (e < 0x3ff-1) {
-		/* raise inexact if x!=0 */
-		FORCE_EVAL(x + toint);
-		return 0*u.f;
-	}
-	y = x + toint - toint - x;
-	if (y > 0.5)
-		y = y + x - 1;
-	else if (y <= -0.5)
-		y = y + x + 1;
-	else
-		y = y + x;
-	if (u.i >> 63)
-		y = -y;
-	return y;
-}
diff --git a/lib/libc/musl/src/math/s390x/round.c b/lib/libc/musl/src/math/s390x/round.c
deleted file mode 100644
index 71f8025118..0000000000
--- a/lib/libc/musl/src/math/s390x/round.c
+++ /dev/null
@@ -1,15 +0,0 @@
-#include <math.h>
-
-#if defined(__HTM__) || __ARCH__ >= 9
-
-double round(double x)
-{
-	__asm__ ("fidbra %0, 1, %1, 4" : "=f"(x) : "f"(x));
-	return x;
-}
-
-#else
-
-#include "../round.c"
-
-#endif
diff --git a/src/libs/musl.zig b/src/libs/musl.zig
index c6bdac314c..97f1d4e2f0 100644
--- a/src/libs/musl.zig
+++ b/src/libs/musl.zig
@@ -818,7 +818,6 @@ const src_files = [_][]const u8{
     "musl/src/math/aarch64/nearbyintf.c",
     "musl/src/math/aarch64/rint.c",
     "musl/src/math/aarch64/rintf.c",
-    "musl/src/math/aarch64/round.c",
     "musl/src/math/aarch64/roundf.c",
     "musl/src/math/acosf.c",
     "musl/src/math/acosh.c",
@@ -997,7 +996,6 @@ const src_files = [_][]const u8{
     "musl/src/math/powerpc64/lrintf.c",
     "musl/src/math/powerpc64/lround.c",
     "musl/src/math/powerpc64/lroundf.c",
-    "musl/src/math/powerpc64/round.c",
     "musl/src/math/powerpc64/roundf.c",
     "musl/src/math/powerpc/fma.c",
     "musl/src/math/powerpc/fmaf.c",
@@ -1021,7 +1019,6 @@ const src_files = [_][]const u8{
     "musl/src/math/riscv32/fmaf.c",
     "musl/src/math/riscv64/fma.c",
     "musl/src/math/riscv64/fmaf.c",
-    "musl/src/math/round.c",
     "musl/src/math/roundf.c",
     "musl/src/math/s390x/fma.c",
     "musl/src/math/s390x/fmaf.c",
@@ -1031,7 +1028,6 @@ const src_files = [_][]const u8{
     "musl/src/math/s390x/rint.c",
     "musl/src/math/s390x/rintf.c",
     "musl/src/math/s390x/rintl.c",
-    "musl/src/math/s390x/round.c",
     "musl/src/math/s390x/roundf.c",
     "musl/src/math/scalb.c",
     "musl/src/math/scalbf.c",
diff --git a/src/libs/wasi_libc.zig b/src/libs/wasi_libc.zig
index 19b820eef9..743812e93c 100644
--- a/src/libs/wasi_libc.zig
+++ b/src/libs/wasi_libc.zig
@@ -808,7 +808,6 @@ const libc_top_half_src_files = [_][]const u8{
     "musl/src/math/remquof.c",
     "musl/src/math/remquol.c",
     "musl/src/math/rintl.c",
-    "musl/src/math/round.c",
     "musl/src/math/roundf.c",
     "musl/src/math/scalb.c",
     "musl/src/math/scalbf.c",
diff --git a/test/libc.zig b/test/libc.zig
index ee73434930..cf61d1ba4d 100644
--- a/test/libc.zig
+++ b/test/libc.zig
@@ -296,7 +296,7 @@ pub fn addCases(cases: *tests.LibcContext) void {
     // cases.addLibcTestCase("math/rint.c", true, .{});
     cases.addLibcTestCase("math/rintf.c", true, .{});
     // cases.addLibcTestCase("math/rintl.c", true, .{});
-    // cases.addLibcTestCase("math/round.c", true, .{});
+    cases.addLibcTestCase("math/round.c", true, .{});
     // cases.addLibcTestCase("math/roundf.c", true, .{});
     cases.addLibcTestCase("math/roundl.c", true, .{});
     cases.addLibcTestCase("math/scalb.c", true, .{});