diff --git a/libm/Android.bp b/libm/Android.bp
index 6d6fafa..ffb4f47 100644
--- a/libm/Android.bp
+++ b/libm/Android.bp
@@ -300,13 +300,9 @@
 
         arm64: {
             srcs: [
-                "arm64/ceil.S",
                 "arm64/fenv.c",
-                "arm64/floor.S",
                 "arm64/lrint.S",
-                "arm64/rint.S",
                 "arm64/sqrt.S",
-                "arm64/trunc.S",
             ],
             exclude_srcs: [
                 "upstream-freebsd/lib/msun/src/e_sqrt.c",
diff --git a/libm/arm64/ceil.S b/libm/arm64/ceil.S
deleted file mode 100644
index 7217d57..0000000
--- a/libm/arm64/ceil.S
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <private/bionic_asm.h>
-
-ENTRY(ceil)
-  frintP d0, d0
-  ret
-END(ceil)
-
-ENTRY(ceilf)
-  frintP s0, s0
-  ret
-END(ceilf)
diff --git a/libm/arm64/floor.S b/libm/arm64/floor.S
deleted file mode 100644
index ca106bd..0000000
--- a/libm/arm64/floor.S
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <private/bionic_asm.h>
-
-ENTRY(floor)
-  frintM d0, d0
-  ret
-END(floor)
-
-ENTRY(floorf)
-  frintM s0, s0
-  ret
-END(floorf)
diff --git a/libm/arm64/rint.S b/libm/arm64/rint.S
deleted file mode 100644
index bf49f5b..0000000
--- a/libm/arm64/rint.S
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <private/bionic_asm.h>
-
-ENTRY(rint)
-  frintX d0, d0
-  ret
-END(rint)
-
-ENTRY(rintf)
-  frintX s0, s0
-  ret
-END(rintf)
diff --git a/libm/arm64/trunc.S b/libm/arm64/trunc.S
deleted file mode 100644
index aa0d4bd..0000000
--- a/libm/arm64/trunc.S
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <private/bionic_asm.h>
-
-ENTRY(trunc)
-  frintZ d0, d0
-  ret
-END(trunc)
-
-ENTRY(truncf)
-  frintZ s0, s0
-  ret
-END(truncf)
diff --git a/libm/builtins.cpp b/libm/builtins.cpp
index 2ea6305..3b9228c 100644
--- a/libm/builtins.cpp
+++ b/libm/builtins.cpp
@@ -46,6 +46,12 @@
 #endif
 
 #if defined(__aarch64__)
+float ceilf(float x) { return __builtin_ceilf(x); }
+double ceil(double x) { return __builtin_ceil(x); }
+
+float floorf(float x) { return __builtin_floorf(x); }
+double floor(double x) { return __builtin_floor(x); }
+
 float fmaf(float x, float y, float z) { return __builtin_fmaf(x, y, z); }
 double fma(double x, double y, double z) { return __builtin_fma(x, y, z); }
 
@@ -55,6 +61,12 @@
 float fminf(float x, float y) { return __builtin_fminf(x, y); }
 double fmin(double x, double y) { return __builtin_fmin(x, y); }
 
+float rintf(float x) { return __builtin_rintf(x); }
+double rint(double x) { return __builtin_rint(x); }
+
 float roundf(float x) { return __builtin_roundf(x); }
 double round(double x) { return __builtin_round(x); }
+
+float truncf(float x) { return __builtin_truncf(x); }
+double trunc(double x) { return __builtin_trunc(x); }
 #endif