diff --git a/ui-ngx/src/app/core/services/calculated-field-form.service.ts b/ui-ngx/src/app/core/services/calculated-field-form.service.ts
index 1bedbf99a7..404676d383 100644
--- a/ui-ngx/src/app/core/services/calculated-field-form.service.ts
+++ b/ui-ngx/src/app/core/services/calculated-field-form.service.ts
@@ -38,7 +38,7 @@ export class CalculatedFieldFormService {
 
   buildForm(): FormGroup {
     return this.fb.group({
-      name: ['', [Validators.required, Validators.pattern(oneSpaceInsideRegex), Validators.maxLength(255)]],
+      name: ['', [Validators.required, Validators.maxLength(255)]],
       entityId: [null, Validators.required],
       type: [CalculatedFieldType.SIMPLE],
       debugSettings: [],
@@ -48,7 +48,7 @@ export class CalculatedFieldFormService {
 
   buildAlarmRuleForm(): FormGroup {
     return this.fb.group({
-      name: ['', [Validators.required, Validators.pattern(oneSpaceInsideRegex), Validators.maxLength(255)]],
+      name: ['', [Validators.required, Validators.maxLength(255)]],
       entityId: [null, Validators.required],
       type: [CalculatedFieldType.ALARM],
       debugSettings: [],
diff --git a/ui-ngx/src/app/modules/home/components/alarm-rules/alarm-rule-dialog.component.html b/ui-ngx/src/app/modules/home/components/alarm-rules/alarm-rule-dialog.component.html
index 3b5379a9d9..27c7ecf63e 100644
--- a/ui-ngx/src/app/modules/home/components/alarm-rules/alarm-rule-dialog.component.html
+++ b/ui-ngx/src/app/modules/home/components/alarm-rules/alarm-rule-dialog.component.html
@@ -40,8 +40,6 @@
               <mat-error>
                 @if (fieldFormGroup.get('name').hasError('required')) {
                   {{ 'alarm-rule.alarm-type-required' | translate }}
-                } @else if (fieldFormGroup.get('name').hasError('pattern')) {
-                  {{ 'alarm-rule.alarm-type-pattern' | translate }}
                 } @else if (fieldFormGroup.get('name').hasError('maxlength')) {
                   {{ 'alarm-rule.alarm-type-max-length' | translate }}
                 }
diff --git a/ui-ngx/src/app/modules/home/components/alarm-rules/alarm-rules.component.html b/ui-ngx/src/app/modules/home/components/alarm-rules/alarm-rules.component.html
index 7b1f13756c..c7fd7da063 100644
--- a/ui-ngx/src/app/modules/home/components/alarm-rules/alarm-rules.component.html
+++ b/ui-ngx/src/app/modules/home/components/alarm-rules/alarm-rules.component.html
@@ -47,8 +47,6 @@
             <mat-error>
               @if (entityForm.get('name').hasError('required')) {
                 {{ 'common.hint.title-required' | translate }}
-              } @else if (entityForm.get('name').hasError('pattern')) {
-                {{ 'common.hint.title-pattern' | translate }}
               } @else if (entityForm.get('name').hasError('maxlength')) {
                 {{ 'common.hint.title-max-length' | translate }}
               }
diff --git a/ui-ngx/src/app/modules/home/components/calculated-fields/calculated-field.component.html b/ui-ngx/src/app/modules/home/components/calculated-fields/calculated-field.component.html
index 39692168aa..9eb8680594 100644
--- a/ui-ngx/src/app/modules/home/components/calculated-fields/calculated-field.component.html
+++ b/ui-ngx/src/app/modules/home/components/calculated-fields/calculated-field.component.html
@@ -47,8 +47,6 @@
             <mat-error>
               @if (entityForm.get('name').hasError('required')) {
                 {{ 'common.hint.title-required' | translate }}
-              } @else if (entityForm.get('name').hasError('pattern')) {
-                {{ 'common.hint.title-pattern' | translate }}
               } @else if (entityForm.get('name').hasError('maxlength')) {
                 {{ 'common.hint.title-max-length' | translate }}
               }