diff --git a/library/compiler-builtins/libm/src/lib.rs b/library/compiler-builtins/libm/src/lib.rs
index 8091079a6241..3a7728811884 100644
--- a/library/compiler-builtins/libm/src/lib.rs
+++ b/library/compiler-builtins/libm/src/lib.rs
@@ -439,6 +439,7 @@ pub trait F64Ext: private::Sealed {
     #[cfg(todo)]
     fn sinh(self) -> Self;
 
+    #[cfg(todo)]
     fn cosh(self) -> Self;
 
     #[cfg(todo)]
@@ -628,6 +629,7 @@ impl F64Ext for f64 {
         sinh(self)
     }
 
+    #[cfg(todo)]
     #[inline]
     fn cosh(self) -> Self {
         cosh(self)
diff --git a/library/compiler-builtins/libm/src/math/mod.rs b/library/compiler-builtins/libm/src/math/mod.rs
index 86c181d13236..65bfb96d08f5 100644
--- a/library/compiler-builtins/libm/src/math/mod.rs
+++ b/library/compiler-builtins/libm/src/math/mod.rs
@@ -9,7 +9,6 @@ macro_rules! force_eval {
 mod ceil;
 mod ceilf;
 mod cosf;
-mod cosh;
 mod exp;
 mod expf;
 mod expm1;
@@ -44,7 +43,6 @@ mod truncf;
 pub use self::ceil::ceil;
 pub use self::ceilf::ceilf;
 pub use self::cosf::cosf;
-pub use self::cosh::cosh;
 pub use self::exp::exp;
 pub use self::expf::expf;
 pub use self::expm1::expm1;
@@ -76,12 +74,10 @@ pub use self::trunc::trunc;
 pub use self::truncf::truncf;
 
 mod k_cosf;
-mod k_expo2;
 mod k_sinf;
 mod rem_pio2_large;
 mod rem_pio2f;
 
 use self::{
-    k_cosf::k_cosf, k_expo2::k_expo2, k_sinf::k_sinf, rem_pio2_large::rem_pio2_large,
-    rem_pio2f::rem_pio2f,
+    k_cosf::k_cosf, k_sinf::k_sinf, rem_pio2_large::rem_pio2_large, rem_pio2f::rem_pio2f,
 };
diff --git a/library/compiler-builtins/libm/test-generator/src/main.rs b/library/compiler-builtins/libm/test-generator/src/main.rs
index dff949459a28..6010695cb1d9 100644
--- a/library/compiler-builtins/libm/test-generator/src/main.rs
+++ b/library/compiler-builtins/libm/test-generator/src/main.rs
@@ -702,7 +702,7 @@ f64_f64! {
     // cbrt,
     ceil,
     // cos,
-    cosh,
+    // cosh,
     exp,
     // exp2,
     expm1,