diff --git a/netbox/extras/forms/config.py b/netbox/extras/forms/config.py
index 0a31e40f6..4a7dba614 100644
--- a/netbox/extras/forms/config.py
+++ b/netbox/extras/forms/config.py
@@ -25,8 +25,6 @@ class FormMetaclass(forms.models.ModelFormMetaclass):
             }
             field_kwargs.update(**param.field_kwargs)
             param_fields[param.name] = param.field(**field_kwargs)
-            if param.size:
-                param_fields[param.name].widget.attrs["size"] = param.size
         attrs.update(param_fields)
 
         return super().__new__(mcs, name, bases, attrs)
diff --git a/netbox/netbox/config/parameters.py b/netbox/netbox/config/parameters.py
index 83fa0f5bc..b4f16bf28 100644
--- a/netbox/netbox/config/parameters.py
+++ b/netbox/netbox/config/parameters.py
@@ -4,14 +4,13 @@ from django.contrib.postgres.forms import SimpleArrayField
 
 class ConfigParam:
 
-    def __init__(self, name, label, default, description='', field=None, field_kwargs=None, size=None):
+    def __init__(self, name, label, default, description='', field=None, field_kwargs=None):
         self.name = name
         self.label = label
         self.default = default
         self.field = field or forms.CharField
         self.description = description
         self.field_kwargs = field_kwargs or {}
-        self.size = size
 
 
 PARAMS = (
@@ -21,22 +20,19 @@ PARAMS = (
         name='BANNER_LOGIN',
         label='Login banner',
         default='',
-        description="Additional content to display on the login page",
-        size="80",
+        description="Additional content to display on the login page"
     ),
     ConfigParam(
         name='BANNER_TOP',
         label='Top banner',
         default='',
-        description="Additional content to display at the top of every page",
-        size="80",
+        description="Additional content to display at the top of every page"
     ),
     ConfigParam(
         name='BANNER_BOTTOM',
         label='Bottom banner',
         default='',
-        description="Additional content to display at the bottom of every page",
-        size="80",
+        description="Additional content to display at the bottom of every page"
     ),
 
     # IPAM
@@ -81,8 +77,7 @@ PARAMS = (
         ),
         description="Permitted schemes for URLs in user-provided content",
         field=SimpleArrayField,
-        field_kwargs={'base_field': forms.CharField()},
-        size="80",
+        field_kwargs={'base_field': forms.CharField()}
     ),
 
     # Pagination
@@ -162,8 +157,7 @@ PARAMS = (
         name='MAPS_URL',
         label='Maps URL',
         default='https://maps.google.com/?q=',
-        description="Base URL for mapping geographic locations",
-        size="80",
+        description="Base URL for mapping geographic locations"
     ),
 
 )