diff --git a/src/interpreter/mod.rs b/src/interpreter/mod.rs
index 0b3fb27..ca3d3ea 100644
--- a/src/interpreter/mod.rs
+++ b/src/interpreter/mod.rs
@@ -139,7 +139,6 @@ mod memory;
 mod module;
 mod program;
 mod runner;
-mod stack;
 mod table;
 mod value;
 mod host;
diff --git a/src/interpreter/runner.rs b/src/interpreter/runner.rs
index 07b4520..fca808b 100644
--- a/src/interpreter/runner.rs
+++ b/src/interpreter/runner.rs
@@ -1164,3 +1164,29 @@ pub fn prepare_function_args(function_type: &FunctionType, caller_stack: &mut St
 	args.reverse();
 	Ok(args)
 }
+
+impl StackWithLimit<RuntimeValue> {
+	fn pop_as<T>(&mut self) -> Result<T, Error>
+	where
+		RuntimeValue: TryInto<T, Error>,
+	{
+		let value = self.pop()?;
+		TryInto::try_into(value)
+	}
+
+	fn pop_pair_as<T>(&mut self) -> Result<(T, T), Error>
+	where
+		RuntimeValue: TryInto<T, Error>,
+	{
+		let right = self.pop_as()?;
+		let left = self.pop_as()?;
+		Ok((left, right))
+	}
+
+	fn pop_triple(&mut self) -> Result<(RuntimeValue, RuntimeValue, RuntimeValue), Error> {
+		let right = self.pop()?;
+		let mid = self.pop()?;
+		let left = self.pop()?;
+		Ok((left, mid, right))
+	}
+}
diff --git a/src/interpreter/stack.rs b/src/interpreter/stack.rs
deleted file mode 100644
index e0b8a3a..0000000
--- a/src/interpreter/stack.rs
+++ /dev/null
@@ -1,29 +0,0 @@
-use interpreter::{Error as InterpreterError};
-use interpreter::value::{RuntimeValue, TryInto};
-use common::stack::StackWithLimit;
-
-impl StackWithLimit<RuntimeValue> {
-	pub fn pop_as<T>(&mut self) -> Result<T, InterpreterError>
-	where
-		RuntimeValue: TryInto<T, InterpreterError>,
-	{
-		let value = self.pop()?;
-		TryInto::try_into(value)
-	}
-
-	pub fn pop_pair_as<T>(&mut self) -> Result<(T, T), InterpreterError>
-	where
-		RuntimeValue: TryInto<T, InterpreterError>,
-	{
-		let right = self.pop_as()?;
-		let left = self.pop_as()?;
-		Ok((left, right))
-	}
-
-	pub fn pop_triple(&mut self) -> Result<(RuntimeValue, RuntimeValue, RuntimeValue), InterpreterError> {
-		let right = self.pop()?;
-		let mid = self.pop()?;
-		let left = self.pop()?;
-		Ok((left, mid, right))
-	}
-}