How to properly get rid of automatic password generation in Spring Security?

I created a spring security setup with a custom filter. It does not use a UserDetailsSevice, so I did not create one. The authentication works as intended, but I still get the auto-generated password in the logs. I solved this by declaring an emptyUserDetailsSevice, but I wonder, is spring security still trying to find a username in the requests and authenticate them using the UserDetailsSevice, or was the default password generated by the default UserDetailsSevice, but used by noone? Is there a proper way to disable these? Can I get rid of default password generation without declaring my own UserDetailsSevice?

Here is my conf:

@Configuration
@EnableWebSecurity
@RequiredArgsConstructor
public class SecurityConfig {

    private final JwtAuthenticationFilter jwtAuthenticationFilter;
    private final JwtAuthenticationEntryPoint unauthorizedHandler;

    @Bean
    public InMemoryUserDetailsManager userDetailsService(PasswordEncoder passwordEncoder) {
//        We overwrite the default user detail service so it does not generate default user and password
        return new InMemoryUserDetailsManager();
    }

    @Bean
    public PasswordEncoder passwordEncoder() {
        return new BCryptPasswordEncoder(10);
    }

    @Bean
    public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {

        http.csrf(AbstractHttpConfigurer::disable);
        http.cors(AbstractHttpConfigurer::disable);
        http.sessionManagement(session -> session.sessionCreationPolicy(SessionCreationPolicy.STATELESS));
        http.exceptionHandling(exception -> exception
                .authenticationEntryPoint(unauthorizedHandler));
        http.addFilterBefore(jwtAuthenticationFilter, UsernamePasswordAuthenticationFilter.class);
        http.authorizeHttpRequests(authorize -> authorize
                .requestMatchers(HttpMethod.OPTIONS).permitAll()
                .requestMatchers("/api/auth/**").permitAll()
                .requestMatchers("/error").permitAll()
                .requestMatchers("/api/public/**").permitAll()
                .anyRequest().authenticated());

        return http.build();
    }
}

We did that with:

@SpringBootApplication(exclude={UserDetailsServiceAutoConfiguration.class})