diff --git a/libsolidity/interface/Version.cpp b/libsolidity/interface/Version.cpp
index 297333b6b..0017b6de1 100644
--- a/libsolidity/interface/Version.cpp
+++ b/libsolidity/interface/Version.cpp
@@ -23,11 +23,7 @@
 
 #include <libsolidity/interface/Version.h>
 
-#include <liblangutil/Exceptions.h>
-#include <libsolutil/CommonData.h>
-#include <libsolutil/Common.h>
 #include <solidity/BuildInfo.h>
-#include <string>
 
 using namespace std;
 
diff --git a/libsolidity/interface/Version.h b/libsolidity/interface/Version.h
index a5965d42e..bc05fb403 100644
--- a/libsolidity/interface/Version.h
+++ b/libsolidity/interface/Version.h
@@ -23,10 +23,15 @@
 
 #pragma once
 
-#include <libsolutil/Common.h>
+#include <cstdint>
+#include <vector>
 #include <string>
 
-namespace solidity::frontend
+namespace solidity
+{
+using bytes = std::vector<uint8_t>;
+
+namespace frontend
 {
 
 extern char const* VersionNumber;
@@ -36,3 +41,4 @@ extern bytes const VersionCompactBytes;
 extern bool const VersionIsRelease;
 
 }
+}