diff --git a/NAMESPACE b/NAMESPACE
index 9f3f4e6..86c4a8a 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -8,7 +8,6 @@ export(getELBO)
 export(getImportance)
 export(initSF)
 export(predictFX)
-export(projSparse)
 export(updateMFAIR)
 exportClasses(MFAIR)
 exportClasses(MFAIRSingleFactor)
diff --git a/R/mfairUtils.R b/R/mfairUtils.R
index ea6978c..2f193e8 100644
--- a/R/mfairUtils.R
+++ b/R/mfairUtils.R
@@ -6,7 +6,6 @@
 #' @param obs_indices A matrix containing 1-based indices of the observed entries in the matrix Y. The first column represents row and the second column represents column.
 #'
 #' @return A dgCMatrix containing the projection result.
-#' @export
 #'
 projSparse <- function(Y, obs_indices) {
   N <- nrow(Y)