diff --git a/rakelib/vm.rake b/rakelib/vm.rake
index d7b0e43..73a652b 100644
--- a/rakelib/vm.rake
+++ b/rakelib/vm.rake
@@ -40,7 +40,7 @@ OPTIONS     = {
               }
 
 INCLUDES    = (EX_INC + %w[vm/test/cxxtest vm .]).map { |f| "-I#{f}" }
-FLAGS       = %w(-Wall -ggdb -gdwarf-2)
+FLAGS       = %w(-Wall -Wmissing-declarations -ggdb -gdwarf-2)
 CC          = ENV['CC'] || "gcc"
 
 
diff --git a/vm/builtin/class.hpp b/vm/builtin/class.hpp
index 8701436..a7f2814 100644
--- a/vm/builtin/class.hpp
+++ b/vm/builtin/class.hpp
@@ -91,7 +91,7 @@ namespace rubinius {
 
   /* See t1 */
   template <>
-    static bool kind_of<Module>(OBJECT obj) {
+    bool kind_of<Module>(OBJECT obj) {
       return obj->reference_p() &&
         (obj->obj_type == Module::type ||
          obj->obj_type == Class::type ||
diff --git a/vm/builtin/compiledmethod.hpp b/vm/builtin/compiledmethod.hpp
index 66b005c..b20d915 100644
--- a/vm/builtin/compiledmethod.hpp
+++ b/vm/builtin/compiledmethod.hpp
@@ -76,7 +76,7 @@ namespace rubinius {
   };
 
   template <>
-    static bool kind_of<Executable>(OBJECT obj) {
+    bool kind_of<Executable>(OBJECT obj) {
       if(obj->obj_type == Executable::type ||
          obj->obj_type == CompiledMethod::type) {
         return true;
diff --git a/vm/builtin/contexts.hpp b/vm/builtin/contexts.hpp
index e967d91..6f1be3e 100644
--- a/vm/builtin/contexts.hpp
+++ b/vm/builtin/contexts.hpp
@@ -63,7 +63,7 @@ namespace rubinius {
   };
 
   template <>
-    static bool kind_of<MethodContext>(OBJECT obj) {
+    bool kind_of<MethodContext>(OBJECT obj) {
       return obj->obj_type == MethodContext::type ||
         obj->obj_type == BlockContext::type;
     }
diff --git a/vm/builtin/fixnum.hpp b/vm/builtin/fixnum.hpp
index 83552d6..a6de5d8 100644
--- a/vm/builtin/fixnum.hpp
+++ b/vm/builtin/fixnum.hpp
@@ -177,7 +177,7 @@ namespace rubinius {
 
   /* See t1 */
   template <>
-  static bool kind_of<Integer>(OBJECT obj) {
+  bool kind_of<Integer>(OBJECT obj) {
     return obj->fixnum_p() || (obj->reference_p() && obj->obj_type == Bignum::type);
   }
 
@@ -185,13 +185,13 @@ namespace rubinius {
    * specialized kind_of<>, until we figure out why, just special as<>
    * too. */
   template <>
-  static INTEGER as<Integer>(OBJECT obj) {
+  INTEGER as<Integer>(OBJECT obj) {
     if(kind_of<Integer>(obj)) return (Integer*)obj;
     throw TypeError(obj->obj_type, obj, "can't be cast as an Integer");
   }
 
   template <>
-  static bool kind_of<Fixnum>(OBJECT obj) {
+  bool kind_of<Fixnum>(OBJECT obj) {
     return obj->fixnum_p();
   }
 }
diff --git a/vm/builtin/float.cpp b/vm/builtin/float.cpp
index af2a09c..e139502 100644
--- a/vm/builtin/float.cpp
+++ b/vm/builtin/float.cpp
@@ -67,8 +67,8 @@ namespace rubinius {
 
   Float* Float::mod(STATE, Float* other) {
     double res = fmod(this->val, other->val);
-    if(other->val < 0.0 && this->val > 0.0 ||
-       other->val > 0.0 && this->val < 0.0 ) {
+    if((other->val < 0.0 && this->val > 0.0) ||
+       (other->val > 0.0 && this->val < 0.0) ) {
       res += other->val;
     }
     return Float::create(state, res);
diff --git a/vm/builtin/immediates.hpp b/vm/builtin/immediates.hpp
index 2e86ef5..0bdfa51 100644
--- a/vm/builtin/immediates.hpp
+++ b/vm/builtin/immediates.hpp
@@ -21,7 +21,7 @@ namespace rubinius {
    * This makes kind_of smarter, letting us use it everywhere for
    * type checks. */
   template <>
-    static bool kind_of<NilClass>(OBJECT obj) {
+    bool kind_of<NilClass>(OBJECT obj) {
       return obj == Qnil;
     }
 
@@ -38,7 +38,7 @@ namespace rubinius {
 
   /* See t1 */
   template <>
-    static bool kind_of<TrueClass>(OBJECT obj) {
+    bool kind_of<TrueClass>(OBJECT obj) {
       return obj == Qtrue;
     }
 
@@ -55,7 +55,7 @@ namespace rubinius {
 
   /* See t1 */
   template <>
-    static bool kind_of<FalseClass>(OBJECT obj) {
+    bool kind_of<FalseClass>(OBJECT obj) {
       return obj == Qfalse;
     }
 }
diff --git a/vm/builtin/symbol.hpp b/vm/builtin/symbol.hpp
index d53885b..fb5a339 100644
--- a/vm/builtin/symbol.hpp
+++ b/vm/builtin/symbol.hpp
@@ -32,7 +32,7 @@ namespace rubinius {
 
   /* See t1 */
   template <>
-    static bool kind_of<Symbol>(OBJECT obj) {
+    bool kind_of<Symbol>(OBJECT obj) {
       return obj->symbol_p();
     }
 
diff --git a/vm/object.hpp b/vm/object.hpp
index f951ddd..b867cbb 100644
--- a/vm/object.hpp
+++ b/vm/object.hpp
@@ -2,6 +2,7 @@
 #define RBX_OOP_HPP
 
 #include <stdint.h>
+#include <stdlib.h>
 #include <sys/types.h>
 #include <sstream>
 #include <cstring>
@@ -89,12 +90,12 @@ namespace rubinius {
     }
 
   template <>
-    static inline bool kind_of<Object>(OBJECT obj) {
+    inline bool kind_of<Object>(OBJECT obj) {
       return true;
     }
 
   template <>
-    static inline bool kind_of<Class>(OBJECT obj) {
+    inline bool kind_of<Class>(OBJECT obj) {
       return obj->obj_type == ClassType || 
         obj->obj_type == MetaclassType ||
         obj->obj_type == IncModType;
@@ -115,7 +116,7 @@ namespace rubinius {
     }
 
   template <>
-    static inline Object* as<Object>(OBJECT obj) { return obj; }
+    inline Object* as<Object>(OBJECT obj) { return obj; }
 
   /* Similar to as<>, but returns NULL if the type is invalid. ONLY
    * use this when doing a conditional cast. */
diff --git a/vm/objects.cpp b/vm/objects.cpp
index 6993229..d7c5fbc 100644
--- a/vm/objects.cpp
+++ b/vm/objects.cpp
@@ -45,7 +45,7 @@ namespace rubinius {
   // TODO: double check that this links. Evan says it doesn't. I'll
   // check my Meiers books when I get home
   template <>
-  static bool kind_of<Numeric>(OBJECT obj) {
+  bool kind_of<Numeric>(OBJECT obj) {
     return obj->fixnum_p() ||
       (obj->reference_p() && (obj->obj_type == Bignum::type ||
                               obj->obj_type == Float::type));
diff --git a/vm/objects.hpp b/vm/objects.hpp
index e1e61a2..aaeab86 100644
--- a/vm/objects.hpp
+++ b/vm/objects.hpp
@@ -47,7 +47,7 @@ namespace rubinius {
   };
 
   template <>
-  static inline NormalObject* as<NormalObject>(OBJECT obj) {
+  inline NormalObject* as<NormalObject>(OBJECT obj) {
     return (NormalObject*)obj;
   }
 };