diff --git a/src/mem/ruby/common/WriteMask.cc b/src/mem/ruby/common/WriteMask.cc
index 4585077a65..54ba8fff00 100644
--- a/src/mem/ruby/common/WriteMask.cc
+++ b/src/mem/ruby/common/WriteMask.cc
@@ -32,6 +32,11 @@
 
 #include "mem/ruby/system/RubySystem.hh"
 
+WriteMask::WriteMask()
+    : mSize(RubySystem::getBlockSizeBytes()), mMask(mSize, false),
+      mAtomic(false)
+{}
+
 void
 WriteMask::print(std::ostream& out) const
 {
diff --git a/src/mem/ruby/common/WriteMask.hh b/src/mem/ruby/common/WriteMask.hh
index 6e3ea29821..f1e5f371de 100644
--- a/src/mem/ruby/common/WriteMask.hh
+++ b/src/mem/ruby/common/WriteMask.hh
@@ -46,18 +46,16 @@
 #include <iostream>
 #include <vector>
 
+#include "base/amo.hh"
+#include "mem/ruby/common/DataBlock.hh"
 #include "mem/ruby/common/TypeDefines.hh"
-#include "mem/ruby/system/RubySystem.hh"
 
 class WriteMask
 {
   public:
     typedef std::vector<std::pair<int, AtomicOpFunctor* >> AtomicOpVector;
 
-    WriteMask()
-      : mSize(RubySystem::getBlockSizeBytes()), mMask(mSize, false),
-        mAtomic(false)
-    {}
+    WriteMask();
 
     WriteMask(int size)
       : mSize(size), mMask(size, false), mAtomic(false)
diff --git a/src/mem/ruby/slicc_interface/RubySlicc_Util.hh b/src/mem/ruby/slicc_interface/RubySlicc_Util.hh
index 155d134dff..a5a18ff6d8 100644
--- a/src/mem/ruby/slicc_interface/RubySlicc_Util.hh
+++ b/src/mem/ruby/slicc_interface/RubySlicc_Util.hh
@@ -55,6 +55,7 @@
 #include "mem/ruby/common/DataBlock.hh"
 #include "mem/ruby/common/TypeDefines.hh"
 #include "mem/ruby/common/WriteMask.hh"
+#include "mem/ruby/protocol/RubyRequestType.hh"
 
 inline Cycles zero_time() { return Cycles(0); }