diff --git a/src/timer/internal.rs b/src/timer/internal.rs
deleted file mode 100644
index c5a044f..0000000
--- a/src/timer/internal.rs
+++ /dev/null
@@ -1,19 +0,0 @@
-use crate::units::Second;
-
-#[derive(Debug, Copy, Clone)]
-pub struct CPUTimes {
-    /// Total amount of time spent executing in user mode
-    pub user_usec: i64,
-
-    /// Total amount of time spent executing in kernel mode
-    pub system_usec: i64,
-}
-
-#[derive(Debug, Copy, Clone)]
-pub struct CPUInterval {
-    /// Total amount of time spent executing in user mode
-    pub user: Second,
-
-    /// Total amount of time spent executing in kernel mode
-    pub system: Second,
-}
diff --git a/src/timer/mod.rs b/src/timer/mod.rs
index 0ef1d38..1c3a460 100644
--- a/src/timer/mod.rs
+++ b/src/timer/mod.rs
@@ -1,6 +1,7 @@
 use std::process::Child;
 
-mod internal;
+use crate::units::Second;
+
 pub mod wallclocktimer;
 
 #[cfg(windows)]
@@ -24,3 +25,21 @@ pub trait TimerStop {
     type Result;
     fn stop(&self) -> Self::Result;
 }
+
+#[derive(Debug, Copy, Clone)]
+pub struct CPUTimes {
+    /// Total amount of time spent executing in user mode
+    pub user_usec: i64,
+
+    /// Total amount of time spent executing in kernel mode
+    pub system_usec: i64,
+}
+
+#[derive(Debug, Copy, Clone)]
+pub struct CPUInterval {
+    /// Total amount of time spent executing in user mode
+    pub user: Second,
+
+    /// Total amount of time spent executing in kernel mode
+    pub system: Second,
+}
diff --git a/src/timer/unix_timer.rs b/src/timer/unix_timer.rs
index 354a010..9069cab 100644
--- a/src/timer/unix_timer.rs
+++ b/src/timer/unix_timer.rs
@@ -3,8 +3,7 @@
 use std::mem;
 use std::process::Child;
 
-use super::internal::{CPUInterval, CPUTimes};
-use crate::timer::{TimerStart, TimerStop};
+use crate::timer::{CPUInterval, CPUTimes, TimerStart, TimerStop};
 use crate::units::Second;
 
 pub fn get_cpu_timer() -> Box<dyn TimerStop<Result = (Second, Second)>> {
diff --git a/src/timer/windows_timer.rs b/src/timer/windows_timer.rs
index 0add8c3..f8e03e6 100644
--- a/src/timer/windows_timer.rs
+++ b/src/timer/windows_timer.rs
@@ -7,8 +7,7 @@ use std::process::Child;
 use winapi::um::processthreadsapi::GetProcessTimes;
 use winapi::um::winnt::HANDLE;
 
-use super::internal::CPUTimes;
-use crate::timer::{TimerStart, TimerStop};
+use crate::timer::{CPUTimes, TimerStart, TimerStop};
 use crate::units::Second;
 
 const HUNDRED_NS_PER_MS: i64 = 10;