diff --git a/libc/test/src/math/RoundToIntegerTest.h b/libc/test/src/math/RoundToIntegerTest.h
index 4b28039dbbb320..63b04845f8fc4f 100644
--- a/libc/test/src/math/RoundToIntegerTest.h
+++ b/libc/test/src/math/RoundToIntegerTest.h
@@ -9,7 +9,6 @@
 #ifndef LLVM_LIBC_TEST_SRC_MATH_ROUNDTOINTEGERTEST_H
 #define LLVM_LIBC_TEST_SRC_MATH_ROUNDTOINTEGERTEST_H
 
-#include "src/errno/llvmlibc_errno.h"
 #include "utils/FPUtil/FPBits.h"
 #include "utils/MPFRWrapper/MPFRUtils.h"
 #include "utils/UnitTest/Test.h"
@@ -47,7 +46,7 @@ class RoundToIntegerTestTemplate : public __llvm_libc::testing::Test {
   void testOneInput(RoundToIntegerFunc func, F input, I expected,
                     bool expectError) {
 #if math_errhandling & MATH_ERRNO
-    llvmlibc_errno = 0;
+    errno = 0;
 #endif
 #if math_errhandling & MATH_ERREXCEPT
     __llvm_libc::fputil::clearExcept(FE_ALL_EXCEPT);
@@ -60,14 +59,14 @@ class RoundToIntegerTestTemplate : public __llvm_libc::testing::Test {
       ASSERT_EQ(__llvm_libc::fputil::testExcept(FE_ALL_EXCEPT), FE_INVALID);
 #endif
 #if math_errhandling & MATH_ERRNO
-      ASSERT_EQ(llvmlibc_errno, EDOM);
+      ASSERT_EQ(errno, EDOM);
 #endif
     } else {
 #if math_errhandling & MATH_ERREXCEPT
       ASSERT_EQ(__llvm_libc::fputil::testExcept(FE_ALL_EXCEPT), 0);
 #endif
 #if math_errhandling & MATH_ERRNO
-      ASSERT_EQ(llvmlibc_errno, 0);
+      ASSERT_EQ(errno, 0);
 #endif
     }
   }
diff --git a/libc/utils/FPUtil/CMakeLists.txt b/libc/utils/FPUtil/CMakeLists.txt
index c54184ec775f15..2c1c1661a5785a 100644
--- a/libc/utils/FPUtil/CMakeLists.txt
+++ b/libc/utils/FPUtil/CMakeLists.txt
@@ -31,7 +31,6 @@ add_header_library(
     libc.include.math
     libc.include.errno
     libc.include.fenv
-    libc.src.errno.__errno_location
     libc.utils.CPP.standalone_cpp
 )
 
diff --git a/libc/utils/FPUtil/NearestIntegerOperations.h b/libc/utils/FPUtil/NearestIntegerOperations.h
index 6af4c4ccf9132d..004f269009d4f6 100644
--- a/libc/utils/FPUtil/NearestIntegerOperations.h
+++ b/libc/utils/FPUtil/NearestIntegerOperations.h
@@ -16,7 +16,6 @@
 
 #include <math.h>
 #if math_errhandling & MATH_ERRNO
-#include "src/errno/llvmlibc_errno.h"
 #include <errno.h>
 #endif
 
@@ -247,7 +246,7 @@ static inline I roundedFloatToSignedInteger(F x) {
   FPBits<F> bits(x);
   auto setDomainErrorAndRaiseInvalid = []() {
 #if math_errhandling & MATH_ERRNO
-    llvmlibc_errno = EDOM;
+    errno = EDOM; // NOLINT
 #endif
 #if math_errhandling & MATH_ERREXCEPT
     raiseExcept(FE_INVALID);