diff --git a/frontend/less/espo/value-variables.less b/frontend/less/espo/value-variables.less
index fe17bdf18c..1ba93a069d 100644
--- a/frontend/less/espo/value-variables.less
+++ b/frontend/less/espo/value-variables.less
@@ -78,7 +78,7 @@
 // Should be in px units to work in CSS math functions.
 @panel-border-width-value: 0px;
 @panel-heading-height-value: 30px;
-@panel-heading-font-size-value: 16px;
+@panel-heading-font-size-value: 15px;
 
 @vertical-gap-value: 16px;
 
diff --git a/frontend/less/hazyblue/variables.less b/frontend/less/hazyblue/variables.less
index a8b3e8b9b7..53e3a67d07 100644
--- a/frontend/less/hazyblue/variables.less
+++ b/frontend/less/hazyblue/variables.less
@@ -19,8 +19,6 @@
 @panel-danger-bg-value: #ebccd1;
 @panel-warning-bg-value: #efda97;
 
-@panel-heading-font-size-value: 16px;
-
 @btn-default-bg-value: #f7f7f7;
 @btn-default-border-value: #cccccc;
 @btn-default-hover-border-value: darken(@btn-default-bg-value, 12%);