diff --git a/DESCRIPTION b/DESCRIPTION
index 46f13e2c9e7975614420b83132343a7339f4ec24..3fd4ad07ad1f7213636031db9b59d0e628165d8d 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,8 +1,8 @@
 Package: airGR
 Type: Package
 Title: Suite of GR Hydrological Models for Precipitation-Runoff Modelling
-Version: 1.4.7.3
-Date: 2020-04-30
+Version: 1.4.7.4
+Date: 2020-05-01
 Authors@R: c(
   person("Laurent", "Coron", role = c("aut", "trl"), comment = c(ORCID = "0000-0002-1503-6204")),
   person("Olivier", "Delaigue", role = c("aut", "cre"), comment = c(ORCID = "0000-0002-7668-8468"), email = "airGR@inrae.fr"),
diff --git a/NEWS.md b/NEWS.md
index 19623bbdbe13681d35d83859f56009375e9f1fa3..495cd011cc3f5dac52662506325b019332d2c46a 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -4,7 +4,7 @@
 
 
 
-### 1.4.7.3 Release Notes (2020-04-30)
+### 1.4.7.4 Release Notes (2020-05-01)
 
 #### New features
 
diff --git a/R/plot.OutputsModel.R b/R/plot.OutputsModel.R
index f80438cb90b2b48b5572e658d311e82bc9d9d449..619e5ea9618613258f6f2d0928361468b89a29bd 100644
--- a/R/plot.OutputsModel.R
+++ b/R/plot.OutputsModel.R
@@ -159,23 +159,19 @@ plot.OutputsModel <- function(x, Qobs = NULL, IndPeriod_Plot = NULL, BasinArea =
       return(filter(x, filter = rep(1 / n, n), sides = 2, circular = TRUE))
     }    
     BOOL_TS  <- FALSE
-    # TimeStep <- difftime(tail(OutputsModel$DatesR, 1), tail(OutputsModel$DatesR, 2), units = "secs")[[1]]
-    if (inherits(OutputsModel, "hourly")){# &
-        # TimeStep %in% (60 * 60)) {
+    if (inherits(OutputsModel, "hourly")) {
       BOOL_TS <- TRUE
       NameTS <- "hour"
       plotunit <- "[mm/h]"
       formatAxis <- "%m/%Y"
     }
-    if (inherits(OutputsModel, "daily")) {# &
-        # TimeStep %in% (24 * 60 * 60)) {
+    if (inherits(OutputsModel, "daily")) {
       BOOL_TS <- TRUE
       NameTS <- "day"
       plotunit <- "[mm/d]"
       formatAxis <- "%m/%Y"
     }
-    if (inherits(OutputsModel, "monthly")){# &
-        # TimeStep %in% (c(28, 29, 30, 31) * 24 * 60 * 60)) {
+    if (inherits(OutputsModel, "monthly")) {
       BOOL_TS <- TRUE
       NameTS <- "month"
       plotunit <- "[mm/month]"
@@ -184,8 +180,7 @@ plot.OutputsModel <- function(x, Qobs = NULL, IndPeriod_Plot = NULL, BasinArea =
         OutputsModel$DatesR <- as.POSIXlt(format(OutputsModel$DatesR, format = "%Y-%m-01"), tz = "UTC", format = "%Y-%m-%d")
       }
     }
-    if (inherits(OutputsModel, "yearly")){#} &
-        # TimeStep %in% (c(365, 366) * 24 * 60 * 60)) {
+    if (inherits(OutputsModel, "yearly")) {
       BOOL_TS <- TRUE
       NameTS <- "year"
       plotunit <- "[mm/y]"