diff --git a/DESCRIPTION b/DESCRIPTION
index 9772e14a0..43d812d64 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -66,6 +66,7 @@ Imports:
     assertthat,
     clisymbols,
     cli,
+    fmesher,
     fishMod,
     generics,
     glmmTMB,
diff --git a/NAMESPACE b/NAMESPACE
index a0d20d611..255214afd 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -107,6 +107,7 @@ importFrom(stats,coef)
 importFrom(stats,confint)
 importFrom(stats,df.residual)
 importFrom(stats,family)
+importFrom(stats,findbars)
 importFrom(stats,formula)
 importFrom(stats,gaussian)
 importFrom(stats,logLik)
@@ -120,7 +121,10 @@ importFrom(stats,plogis)
 importFrom(stats,poisson)
 importFrom(stats,predict)
 importFrom(stats,runif)
+importFrom(stats,setNames)
 importFrom(stats,simulate)
 importFrom(stats,terms)
+importFrom(stats,update)
 importFrom(stats,vcov)
+importFrom(utils,head)
 useDynLib(sdmTMB, .registration = TRUE)
diff --git a/R/reformulas.R b/R/reformulas.R
index 2f7a10f5b..864188cee 100644
--- a/R/reformulas.R
+++ b/R/reformulas.R
@@ -502,6 +502,8 @@ dropHead <- function(term,value) {
 ## drop.special(x~a + b+ offset(z))
 ## @export
 ## @keywords internal
+#' @importFrom stats update setNames findbars
+#' @importFrom utils head
 drop.special <- function(x, value=quote(offset), preserve = NULL) {
   k <- 0
   proc <- function(x) {