diff --git a/DESCRIPTION b/DESCRIPTION
index ecd2a13..33c400d 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: balance
 Title: Visualize Balances of Compositional Data
-Version: 0.0.7
+Version: 0.0.8
 URL: http://github.com/tpq/balance
 BugReports: http://github.com/tpq/balance/issues
 Authors@R: c(
diff --git a/NEWS.md b/NEWS.md
index 473ebab..2293adb 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,8 @@
+## balance 0.0.8
+---------------------
+* Update `balance` method
+    * Remove `size.line` argument and do not set size for `!weigh.var`
+
 ## balance 0.0.7
 ---------------------
 * Update `balance` method
diff --git a/R/balance.R b/R/balance.R
index a119cdf..fe3ded8 100644
--- a/R/balance.R
+++ b/R/balance.R
@@ -17,7 +17,6 @@
 #'  by the proportion of explained variance. Only do this if balances
 #'  come from an SBP that decomposes variance.
 #' @param size.text An integer. Sets legend text size.
-#' @param size.line An integer. Sets line width size.
 #' @param size.pt An integer. Sets point size.
 #'
 #' @return A list of the "partition" \code{ggplot} object, the "distribution"
@@ -32,7 +31,6 @@ balance <- function(x, y,
                     boxplot.split = FALSE,
                     weigh.var = FALSE,
                     size.text = 20,
-                    size.line = 1,
                     size.pt = 4){
 
   cols <- c("#66C2A5", "#FC8D62", "#8DA0CB", "#E78AC3",
@@ -92,10 +90,7 @@ balance <- function(x, y,
   if(weigh.var){
     vars <- apply(B, 2, stats::var)
     vars <- vars/sum(vars)
-    linewidth <- data.frame("BalanceID" = colnames(B), "LineWidth" = size.line * vars)
-    dt <- merge(dt, linewidth)
-  }else{
-    linewidth <- data.frame("BalanceID" = colnames(B), "LineWidth" = size.line)
+    linewidth <- data.frame("BalanceID" = colnames(B), "LineWidth" = vars)
     dt <- merge(dt, linewidth)
   }
 
@@ -144,17 +139,26 @@ balance <- function(x, y,
   balance.distribution <-
     ggplot2::ggplot(dt, ggplot2::aes_string(x = "BalanceID", y = "SampleValue", group = "Group"), col = "black") +
     ggplot2::geom_boxplot(ggplot2::aes_string(col = "n.group")) + # if missing, set to "1"
-    ggplot2::geom_line(ggplot2::aes_string(size = "LineWidth")) + # keep unchanged to show range...
     ggplot2::geom_jitter(ggplot2::aes_string(col = "n.group"), size = size.pt) + # if missing, set to "1"
     ggplot2::scale_colour_manual(values = n.cols) + # if missing, set to "black"
     ggplot2::xlab("") + ggplot2::ylab("Sample-wise Distribution of Balance") +
     ggplot2::ylim(-1.1 * max(abs(dt$SampleValue)), 1.1 * max(abs(dt$SampleValue))) +
-    ggplot2::labs(col = "Sample Group") + ggplot2::guides(size = FALSE) +
+    ggplot2::labs(col = "Sample Group") +
     ggplot2::coord_flip() + ggplot2::theme_bw() +
     ggplot2::theme(axis.text.x = ggplot2::element_text(angle = 90, hjust = 1, vjust = .5)) +
     ggplot2::theme(text = ggplot2::element_text(size = size.text)) +
     ggplot2::theme(legend.position = "top")
 
+  if(weigh.var){
+    balance.distribution <- balance.distribution +
+      ggplot2::geom_line(ggplot2::aes_string(size = "LineWidth")) + # keep unchanged to show range...
+      ggplot2::guides(size = FALSE)
+  }else{
+    balance.distribution <- balance.distribution +
+      ggplot2::geom_line() +
+      ggplot2::guides(size = FALSE)
+  }
+
   grid::grid.newpage()
   grob <- cbind(ggplot2::ggplotGrob(balance.partition),
                 ggplot2::ggplotGrob(balance.distribution),
diff --git a/README-unnamed-chunk-4-1.png b/README-unnamed-chunk-4-1.png
index f2e8647..83db6af 100644
Binary files a/README-unnamed-chunk-4-1.png and b/README-unnamed-chunk-4-1.png differ
diff --git a/README-unnamed-chunk-5-1.png b/README-unnamed-chunk-5-1.png
index d061485..8b8f91d 100644
Binary files a/README-unnamed-chunk-5-1.png and b/README-unnamed-chunk-5-1.png differ
diff --git a/README-unnamed-chunk-6-1.png b/README-unnamed-chunk-6-1.png
index 41aeb06..444a492 100644
Binary files a/README-unnamed-chunk-6-1.png and b/README-unnamed-chunk-6-1.png differ
diff --git a/README-unnamed-chunk-7-1.png b/README-unnamed-chunk-7-1.png
index f502b3c..d7d8672 100644
Binary files a/README-unnamed-chunk-7-1.png and b/README-unnamed-chunk-7-1.png differ
diff --git a/README-unnamed-chunk-8-1.png b/README-unnamed-chunk-8-1.png
index 6de7b24..c6da9ca 100644
Binary files a/README-unnamed-chunk-8-1.png and b/README-unnamed-chunk-8-1.png differ
diff --git a/man/balance.Rd b/man/balance.Rd
index 9e6907d..6043bb0 100644
--- a/man/balance.Rd
+++ b/man/balance.Rd
@@ -5,7 +5,7 @@
 \title{Calculate and Visualize Balances}
 \usage{
 balance(x, y, d.group, n.group, boxplot.split = FALSE, weigh.var = FALSE,
-  size.text = 20, size.line = 1, size.pt = 4)
+  size.text = 20, size.pt = 4)
 }
 \arguments{
 \item{x}{A matrix with rows as samples (N) and columns as components (D).}
@@ -28,8 +28,6 @@ come from an SBP that decomposes variance.}
 
 \item{size.text}{An integer. Sets legend text size.}
 
-\item{size.line}{An integer. Sets line width size.}
-
 \item{size.pt}{An integer. Sets point size.}
 }
 \value{