diff --git a/data-raw/clean-clev.R b/data-raw/clean-clev.R
index a6c8691..d3ca597 100644
--- a/data-raw/clean-clev.R
+++ b/data-raw/clean-clev.R
@@ -1,6 +1,8 @@
 library(sf)
 library(usethis)
 
-clev_pts <- read_sf("data-raw/clev_sls_154_core.shp")
+clev_pts <- st_read("data-raw/clev_sls_154_core.shp",
+                    quiet = TRUE,
+                    stringsAsFactors = FALSE)
 
 usethis::use_data(clev_pts, overwrite = TRUE)
diff --git a/data-raw/clean-commareas.R b/data-raw/clean-commareas.R
index fa04871..f3e6a37 100644
--- a/data-raw/clean-commareas.R
+++ b/data-raw/clean-commareas.R
@@ -1,6 +1,8 @@
 library(sf)
 library(usethis)
 
-chicago_comm <- read_sf("data-raw/chicagocomm.shp")
+chicago_comm <- st_read("data-raw/chicagocomm.shp",
+                        quiet = TRUE,
+                        stringsAsFactors = FALSE)
 
 usethis::use_data(chicago_comm, overwrite = TRUE)
diff --git a/data-raw/clean-commpop.R b/data-raw/clean-commpop.R
index f375f57..76d1eb7 100644
--- a/data-raw/clean-commpop.R
+++ b/data-raw/clean-commpop.R
@@ -1,6 +1,8 @@
 library(sf)
 library(usethis)
 
-commpop <- read_sf("data-raw/commpop.shp")
+commpop <- st_read("data-raw/commpop.shp",
+                   quiet = TRUE,
+                   stringsAsFactors = FALSE)
 
 usethis::use_data(commpop, overwrite = TRUE)
diff --git a/data-raw/clean-guerry.R b/data-raw/clean-guerry.R
index 7bb752c..667f691 100644
--- a/data-raw/clean-guerry.R
+++ b/data-raw/clean-guerry.R
@@ -1,6 +1,8 @@
 library(sf)
 library(usethis)
 
-guerry <- read_sf("data-raw/guerry.shp")
+guerry <- st_read("data-raw/guerry.shp",
+                  quiet = TRUE,
+                  stringsAsFactors = FALSE)
 
 usethis::use_data(guerry, overwrite = TRUE)
diff --git a/data-raw/clean-ncovr.R b/data-raw/clean-ncovr.R
index 1d14ccb..5c53351 100644
--- a/data-raw/clean-ncovr.R
+++ b/data-raw/clean-ncovr.R
@@ -1,6 +1,8 @@
 library(sf)
 library(usethis)
 
-ncovr <- read_sf("data-raw/NAT.shp")
+ncovr <- st_read("data-raw/NAT.shp",
+                 quiet = TRUE,
+                 stringsAsFactors = FALSE)
 
 usethis::use_data(ncovr, overwrite = TRUE)
diff --git a/data-raw/clean-nyc-sf.R b/data-raw/clean-nyc-sf.R
index 4f43103..e4046b9 100644
--- a/data-raw/clean-nyc-sf.R
+++ b/data-raw/clean-nyc-sf.R
@@ -1,7 +1,9 @@
 library(sf)
 library(usethis)
 
-nyc_sf <- read_sf("data-raw/nyc.shp")
+nyc_sf <- st_read("data-raw/nyc.shp",
+                  quiet = TRUE,
+                  stringsAsFactors = FALSE)
 nyc_sf <- lwgeom::st_make_valid(nyc_sf)
 
 usethis::use_data(nyc_sf, overwrite = TRUE)
diff --git a/data-raw/clean-ohio-lung.R b/data-raw/clean-ohio-lung.R
index 66b2c94..7e8a1b4 100644
--- a/data-raw/clean-ohio-lung.R
+++ b/data-raw/clean-ohio-lung.R
@@ -1,6 +1,8 @@
 library(sf)
 library(usethis)
 
-ohio_lung <- read_sf("data-raw/ohlung.geojson")
+ohio_lung <- st_read("data-raw/ohlung.geojson",
+                     quiet = TRUE,
+                     stringsAsFactors = FALSE)
 
 usethis::use_data(ohio_lung, overwrite = TRUE)
diff --git a/data-raw/clean-vehpts.R b/data-raw/clean-vehpts.R
index 9bd6a7a..c67535e 100644
--- a/data-raw/clean-vehpts.R
+++ b/data-raw/clean-vehpts.R
@@ -1,6 +1,8 @@
 library(sf)
 library(usethis)
 
-vehicle_pts <- read_sf("data-raw/cleanvehpts.shp")
+vehicle_pts <- st_read("data-raw/cleanvehpts.shp",
+                       quiet = TRUE,
+                       stringsAsFactors = FALSE)
 
 usethis::use_data(vehicle_pts, overwrite = TRUE)
diff --git a/data/chicago_comm.rda b/data/chicago_comm.rda
index 3fa6d5e..f31c412 100644
Binary files a/data/chicago_comm.rda and b/data/chicago_comm.rda differ
diff --git a/data/clev_pts.rda b/data/clev_pts.rda
index d49f912..6347994 100644
Binary files a/data/clev_pts.rda and b/data/clev_pts.rda differ
diff --git a/data/commpop.rda b/data/commpop.rda
index 0f17e75..0d44ece 100644
Binary files a/data/commpop.rda and b/data/commpop.rda differ
diff --git a/data/guerry.rda b/data/guerry.rda
index d1d9677..eb1d3d6 100644
Binary files a/data/guerry.rda and b/data/guerry.rda differ
diff --git a/data/ncovr.rda b/data/ncovr.rda
index df901e0..8abcf75 100644
Binary files a/data/ncovr.rda and b/data/ncovr.rda differ
diff --git a/data/nyc_sf.rda b/data/nyc_sf.rda
index 8bfc7dc..2b87c50 100644
Binary files a/data/nyc_sf.rda and b/data/nyc_sf.rda differ
diff --git a/data/ohio_lung.rda b/data/ohio_lung.rda
index a800980..77bc92e 100644
Binary files a/data/ohio_lung.rda and b/data/ohio_lung.rda differ
diff --git a/data/vehicle_pts.rda b/data/vehicle_pts.rda
index b266942..99895a2 100644
Binary files a/data/vehicle_pts.rda and b/data/vehicle_pts.rda differ