diff --git a/library/compiler-builtins/libm/src/math/service/cosdf.rs b/library/compiler-builtins/libm/src/math/cosdf.rs
similarity index 100%
rename from library/compiler-builtins/libm/src/math/service/cosdf.rs
rename to library/compiler-builtins/libm/src/math/cosdf.rs
diff --git a/library/compiler-builtins/libm/src/math/cosf.rs b/library/compiler-builtins/libm/src/math/cosf.rs
index b1aefd5e32b7..f63724e791ea 100644
--- a/library/compiler-builtins/libm/src/math/cosf.rs
+++ b/library/compiler-builtins/libm/src/math/cosf.rs
@@ -1,4 +1,4 @@
-use super::service::{cosdf, sindf, rem_pio2f};
+use super::{cosdf, sindf, rem_pio2f};
 
 use core::f64::consts::FRAC_PI_2;
 
diff --git a/library/compiler-builtins/libm/src/math/mod.rs b/library/compiler-builtins/libm/src/math/mod.rs
index bc69aca0f61d..b8de3c733338 100644
--- a/library/compiler-builtins/libm/src/math/mod.rs
+++ b/library/compiler-builtins/libm/src/math/mod.rs
@@ -17,8 +17,6 @@ mod expf;
 mod floor;
 mod cosf;
 
-mod service;
-
 pub use self::{
     fabs::fabs,
     fabsf::fabsf,
@@ -34,6 +32,18 @@ pub use self::{
     cosf::cosf,
 };
 
+mod sindf;
+mod cosdf;
+mod rem_pio2f;
+mod rem_pio2_large;
+
+use self::{
+    sindf::sindf,
+    cosdf::cosdf,
+    rem_pio2f::rem_pio2f,
+    rem_pio2_large::rem_pio2_large,
+};
+
 fn isnanf(x: f32) -> bool {
     x.to_bits() & 0x7fffffff > 0x7f800000
 }
diff --git a/library/compiler-builtins/libm/src/math/service/rem_pio2_large.rs b/library/compiler-builtins/libm/src/math/rem_pio2_large.rs
similarity index 99%
rename from library/compiler-builtins/libm/src/math/service/rem_pio2_large.rs
rename to library/compiler-builtins/libm/src/math/rem_pio2_large.rs
index 017fc88bae2e..deb985f1d1cc 100644
--- a/library/compiler-builtins/libm/src/math/service/rem_pio2_large.rs
+++ b/library/compiler-builtins/libm/src/math/rem_pio2_large.rs
@@ -1,5 +1,5 @@
-use ::scalbn;
-use ::F64Ext;
+use super::scalbn;
+use super::floor;
 
 /// double x[],y[]; int e0,nx,prec;
 ///
@@ -323,8 +323,8 @@ pub(crate) fn rem_pio2_large(x : &[f64], y : &mut [f64], e0 : i32, prec : usize)
         }
         
         /* compute n */
-        z  = scalbn(z, q0);         /* actual value of z */
-        z -= 8.0*(z*0.125).floor(); /* trim off integer >= 8 */
+        z  = scalbn(z, q0);      /* actual value of z */
+        z -= 8.0*floor(z*0.125); /* trim off integer >= 8 */
         n  = z as i32;
         z -= n as f64;
         ih = 0;
diff --git a/library/compiler-builtins/libm/src/math/service/rem_pio2f.rs b/library/compiler-builtins/libm/src/math/rem_pio2f.rs
similarity index 100%
rename from library/compiler-builtins/libm/src/math/service/rem_pio2f.rs
rename to library/compiler-builtins/libm/src/math/rem_pio2f.rs
diff --git a/library/compiler-builtins/libm/src/math/service/mod.rs b/library/compiler-builtins/libm/src/math/service/mod.rs
deleted file mode 100644
index 96bb09431bad..000000000000
--- a/library/compiler-builtins/libm/src/math/service/mod.rs
+++ /dev/null
@@ -1,11 +0,0 @@
-mod sindf;
-mod cosdf;
-mod rem_pio2f;
-mod rem_pio2_large;
-
-pub(crate) use self::{
-    cosdf::cosdf,
-    sindf::sindf,
-    rem_pio2f::rem_pio2f,
-    rem_pio2_large::rem_pio2_large,
-};
diff --git a/library/compiler-builtins/libm/src/math/service/sindf.rs b/library/compiler-builtins/libm/src/math/sindf.rs
similarity index 100%
rename from library/compiler-builtins/libm/src/math/service/sindf.rs
rename to library/compiler-builtins/libm/src/math/sindf.rs