diff --git a/share/themes/Kali-Dark/gtk-3.0/gtk.css b/share/themes/Kali-Dark/gtk-3.0/gtk.css
index 77254522..7bc46f47 100644
--- a/share/themes/Kali-Dark/gtk-3.0/gtk.css
+++ b/share/themes/Kali-Dark/gtk-3.0/gtk.css
@@ -5543,6 +5543,8 @@ decoration {
   .csd.popup decoration {
     box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(13, 14, 17, 0.65);
     border-width: 0; }
+  tooltip.csd decoration {
+    border: 0; }
   messagedialog.csd decoration {
     box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(13, 14, 17, 0.65); }
 
diff --git a/share/themes/Kali-Light/gtk-3.0/gtk-dark.css b/share/themes/Kali-Light/gtk-3.0/gtk-dark.css
index 77254522..7bc46f47 100644
--- a/share/themes/Kali-Light/gtk-3.0/gtk-dark.css
+++ b/share/themes/Kali-Light/gtk-3.0/gtk-dark.css
@@ -5543,6 +5543,8 @@ decoration {
   .csd.popup decoration {
     box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(13, 14, 17, 0.65);
     border-width: 0; }
+  tooltip.csd decoration {
+    border: 0; }
   messagedialog.csd decoration {
     box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(13, 14, 17, 0.65); }
 
diff --git a/share/themes/Kali-Light/gtk-3.0/gtk.css b/share/themes/Kali-Light/gtk-3.0/gtk.css
index 750aa7fc..a4d74f8f 100644
--- a/share/themes/Kali-Light/gtk-3.0/gtk.css
+++ b/share/themes/Kali-Light/gtk-3.0/gtk.css
@@ -5566,6 +5566,8 @@ decoration {
   .csd.popup decoration {
     box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(0, 0, 0, 0);
     border-width: 0; }
+  tooltip.csd decoration {
+    border: 0; }
   messagedialog.csd decoration {
     box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(0, 0, 0, 0); }
 
diff --git a/src/themes/Kali/sass/gtk-sass/_common-tweaks.scss b/src/themes/Kali/sass/gtk-sass/_common-tweaks.scss
index 2ebb8958..00b1ffd3 100644
--- a/src/themes/Kali/sass/gtk-sass/_common-tweaks.scss
+++ b/src/themes/Kali/sass/gtk-sass/_common-tweaks.scss
@@ -272,6 +272,8 @@ decoration {
     border-width: 0;
   }
 
+  tooltip.csd & { border: 0; }
+
   messagedialog.csd & {
     box-shadow: 0 1px 4px transparentize(black, 0.8),
                 0 0 0 1px transparentize($_wm_border, 0.1);