diff --git a/NAMESPACE b/NAMESPACE
index d24cecd135..97a287f1c7 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -29,6 +29,7 @@ export(tr, "%&%", "%^%", rvectorize, cvectorize, vech, vechs, 'vechs<-',
 # export S4 classes in the OpenMx library
 exportClassPattern("^.+Matrix")
 exportClassPattern("^Mx.+")
+exportClass("MxRAMModel")
 
 # export S4 methods in the OpenMx library
 exportMethods("[","[[", "$")
diff --git a/R/MxRAMModel.R b/R/MxRAMModel.R
index a472a4bbef..894ece572a 100755
--- a/R/MxRAMModel.R
+++ b/R/MxRAMModel.R
@@ -21,7 +21,6 @@
 ##' $<-,MxRAMModel-method
 ##' [[<-,MxRAMModel-method
 setClass(Class = "MxRAMModel",
-	representation = representation(),
 	contains = "MxModel")
 
 imxModelTypes[['RAM']] <- "MxRAMModel"