diff --git a/stepmania/src/DateTime.cpp b/stepmania/src/DateTime.cpp
index 033f375b4e..ff349a3d5f 100644
--- a/stepmania/src/DateTime.cpp
+++ b/stepmania/src/DateTime.cpp
@@ -14,6 +14,33 @@ void DateTime::Init()
 	ZERO( *this );
 }
 
+bool DateTime::operator<( const DateTime& other ) const
+{
+#define COMPARE( v ) if(v<other.v) return true; if(v>other.v) return false;
+	COMPARE( tm_year );
+	COMPARE( tm_mon );
+	COMPARE( tm_mday );
+	COMPARE( tm_hour );
+	COMPARE( tm_min );
+	COMPARE( tm_sec );
+#undef COMPARE
+	// they're equal
+	return false;
+}
+
+bool DateTime::operator==( const DateTime& other ) const 
+{
+#define COMPARE(x)	if( x!=other.x )	return false;
+	COMPARE( tm_year );
+	COMPARE( tm_mon );
+	COMPARE( tm_mday );
+	COMPARE( tm_hour );
+	COMPARE( tm_min );
+	COMPARE( tm_sec );
+#undef COMPARE
+	return true;
+}
+
 DateTime DateTime::GetNowDateTime()
 {
 	time_t now = time(NULL);
diff --git a/stepmania/src/DateTime.h b/stepmania/src/DateTime.h
index 778f11b034..17ee6135cc 100644
--- a/stepmania/src/DateTime.h
+++ b/stepmania/src/DateTime.h
@@ -41,31 +41,8 @@ struct DateTime
 	DateTime();
 	void Init();
 
-	bool operator<( const DateTime& other ) const
-	{
-	#define COMPARE( v ) if(v<other.v) return true; if(v>other.v) return false;
-		COMPARE( tm_year );
-		COMPARE( tm_mon );
-		COMPARE( tm_mday );
-		COMPARE( tm_hour );
-		COMPARE( tm_min );
-		COMPARE( tm_sec );
-	#undef COMPARE
-		// they're equal
-		return false;
-	}
-	bool operator==( const DateTime& other ) const 
-	{
-#define COMPARE(x)	if( x!=other.x )	return false;
-		COMPARE( tm_year );
-		COMPARE( tm_mon );
-		COMPARE( tm_mday );
-		COMPARE( tm_hour );
-		COMPARE( tm_min );
-		COMPARE( tm_sec );
-#undef COMPARE
-		return true;
-	}
+	bool operator<( const DateTime& other ) const;
+	bool operator==( const DateTime& other ) const;
 	bool operator!=( const DateTime& other ) const { return !operator==(other); }
 
 	static DateTime GetNowDateTime();