diff --git a/src/data_format/bound_symbol_list.h b/src/data_format/bound_symbol_list.h
index a04f02d..7194270 100644
--- a/src/data_format/bound_symbol_list.h
+++ b/src/data_format/bound_symbol_list.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include "data_format/io_base.h"
+#include "data_format/io/io_base.h"
 #include "data_format/type/bound_symbol.h"
 
 namespace di::data_format {
diff --git a/src/data_format/io/io_base.h b/src/data_format/io/io_base.h
new file mode 100644
index 0000000..2fb5215
--- /dev/null
+++ b/src/data_format/io/io_base.h
@@ -0,0 +1,13 @@
+#pragma once
+
+namespace di {
+
+class IOBase {
+public:
+    virtual ~IOBase() = default;
+
+    virtual void read(const fs::path& path)        = 0;
+    virtual void write(const fs::path& path) const = 0;
+};
+
+} // namespace di
diff --git a/src/data_format/io_base.h b/src/data_format/io_base.h
deleted file mode 100644
index 6bcb283..0000000
--- a/src/data_format/io_base.h
+++ /dev/null
@@ -1,13 +0,0 @@
-#pragma once
-
-namespace di::data_format {
-
-class IOBase {
-public:
-    virtual ~IOBase() = default;
-
-    virtual void read(const std::filesystem::path& path)        = 0;
-    virtual void write(const std::filesystem::path& path) const = 0;
-};
-
-} // namespace di::data_format
diff --git a/src/data_format/raw_text.h b/src/data_format/raw_text.h
index 861a735..9948a53 100644
--- a/src/data_format/raw_text.h
+++ b/src/data_format/raw_text.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include "data_format/io_base.h"
+#include "data_format/io/io_base.h"
 
 namespace di::data_format {
 
diff --git a/src/data_format/raw_type_data.h b/src/data_format/raw_type_data.h
index 0623d84..bf1cedf 100644
--- a/src/data_format/raw_type_data.h
+++ b/src/data_format/raw_type_data.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include "data_format/io_base.h"
+#include "data_format/io/io_base.h"
 
 #include <llvm/DebugInfo/CodeView/MergingTypeTableBuilder.h>
 
diff --git a/src/data_format/typed_symbol_list.h b/src/data_format/typed_symbol_list.h
index c7bd58f..112a7ad 100644
--- a/src/data_format/typed_symbol_list.h
+++ b/src/data_format/typed_symbol_list.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include "data_format/io_base.h"
+#include "data_format/io/io_base.h"
 
 #include "data_format/type/decl_type.h"
 #include "data_format/type/typed_symbol.h"