diff --git a/superset-frontend/src/views/CRUD/data/database/DatabaseModal/DatabaseConnectionForm/CommonParameters.tsx b/superset-frontend/src/views/CRUD/data/database/DatabaseModal/DatabaseConnectionForm/CommonParameters.tsx
index 7078b49cbc8d5..7b52eab26ca22 100644
--- a/superset-frontend/src/views/CRUD/data/database/DatabaseModal/DatabaseConnectionForm/CommonParameters.tsx
+++ b/superset-frontend/src/views/CRUD/data/database/DatabaseModal/DatabaseConnectionForm/CommonParameters.tsx
@@ -49,6 +49,7 @@ export const hostField = ({
     onChange={changeMethods.onParametersChange}
   />
 );
+
 export const portField = ({
   required,
   changeMethods,
@@ -255,6 +256,7 @@ export const forceSSLField = ({
 export const SSHTunnelSwitch = ({
   isEditMode,
   changeMethods,
+  clearValidationErrors,
   db,
 }: FieldPropTypes) => (
   <div css={(theme: SupersetTheme) => infoTooltip(theme)}>
@@ -270,6 +272,7 @@ export const SSHTunnelSwitch = ({
             value: changed,
           },
         });
+        clearValidationErrors();
       }}
       data-test="ssh-tunnel-switch"
     />
diff --git a/superset-frontend/src/views/CRUD/data/database/DatabaseModal/DatabaseConnectionForm/index.tsx b/superset-frontend/src/views/CRUD/data/database/DatabaseModal/DatabaseConnectionForm/index.tsx
index 5dce73206f151..e747b3c8959fb 100644
--- a/superset-frontend/src/views/CRUD/data/database/DatabaseModal/DatabaseConnectionForm/index.tsx
+++ b/superset-frontend/src/views/CRUD/data/database/DatabaseModal/DatabaseConnectionForm/index.tsx
@@ -79,6 +79,7 @@ export interface FieldPropTypes {
   };
   validationErrors: JsonObject | null;
   getValidation: () => void;
+  clearValidationErrors: () => void;
   db?: DatabaseObject;
   field: string;
   isEditMode?: boolean;
@@ -132,6 +133,7 @@ interface DatabaseConnectionFormProps {
   onRemoveTableCatalog: (idx: number) => void;
   validationErrors: JsonObject | null;
   getValidation: () => void;
+  clearValidationErrors: () => void;
   getPlaceholder?: (field: string) => string | undefined;
 }
 
@@ -151,6 +153,7 @@ const DatabaseConnectionForm = ({
   onRemoveTableCatalog,
   sslForced,
   validationErrors,
+  clearValidationErrors,
 }: DatabaseConnectionFormProps) => (
   <Form>
     <div
@@ -179,6 +182,7 @@ const DatabaseConnectionForm = ({
             },
             validationErrors,
             getValidation,
+            clearValidationErrors,
             db,
             key: field,
             field,
diff --git a/superset-frontend/src/views/CRUD/data/database/DatabaseModal/index.tsx b/superset-frontend/src/views/CRUD/data/database/DatabaseModal/index.tsx
index 97bd916fd6040..63c38e3e10eef 100644
--- a/superset-frontend/src/views/CRUD/data/database/DatabaseModal/index.tsx
+++ b/superset-frontend/src/views/CRUD/data/database/DatabaseModal/index.tsx
@@ -267,7 +267,6 @@ export function dbReducer(
       };
     case ActionType.extraInputChange:
       // "extra" payload in state is a string
-
       if (
         action.payload.name === 'schema_cache_timeout' ||
         action.payload.name === 'table_cache_timeout'
@@ -1433,6 +1432,7 @@ const DatabaseModal: FunctionComponent<DatabaseModalProps> = ({
         getValidation={() => getValidation(db)}
         validationErrors={validationErrors}
         getPlaceholder={getPlaceholder}
+        clearValidationErrors={() => setValidationErrors(null)}
       />
       {db?.parameters?.ssh && (
         <SSHTunnelContainer>{renderSSHTunnelForm()}</SSHTunnelContainer>