diff --git a/ete-test/resources/multi-no-output/spec.cpp b/ete-test/resources/multi-no-output/spec.cpp
index 4a363738..4ba5cf99 100644
--- a/ete-test/resources/multi-no-output/spec.cpp
+++ b/ete-test/resources/multi-no-output/spec.cpp
@@ -13,7 +13,6 @@ class ProblemSpec : public BaseProblemSpec {
     }
 
     void StyleConfig() {
-        CustomScorer();
         NoOutput();
     }
 
diff --git a/ete-test/resources/normal-no-output/spec.cpp b/ete-test/resources/normal-no-output/spec.cpp
index 09f76aa5..aed13700 100644
--- a/ete-test/resources/normal-no-output/spec.cpp
+++ b/ete-test/resources/normal-no-output/spec.cpp
@@ -12,7 +12,6 @@ class ProblemSpec : public BaseProblemSpec {
     }
 
     void StyleConfig() {
-        CustomScorer();
         NoOutput();
     }
 
diff --git a/include/tcframe/spec/core/StyleConfig.hpp b/include/tcframe/spec/core/StyleConfig.hpp
index eebfe576..c0dc20cf 100644
--- a/include/tcframe/spec/core/StyleConfig.hpp
+++ b/include/tcframe/spec/core/StyleConfig.hpp
@@ -1,13 +1,11 @@
 #pragma once
 
-#include <stdexcept>
 #include <tuple>
 #include <utility>
 
 #include "CommonConfig.hpp"
 
 using std::move;
-using std::runtime_error;
 using std::tie;
 
 namespace tcframe {
@@ -56,10 +54,6 @@ class StyleConfigBuilder {
     }
 
     StyleConfig build() {
-        if (!subject_.needsOutput_ && !subject_.needsCustomScorer_) {
-            throw runtime_error("Problem that does not need output must need custom scorer");
-        }
-
         return move(subject_);
     }
 };
diff --git a/test/tcframe/spec/core/BaseProblemSpecTests.cpp b/test/tcframe/spec/core/BaseProblemSpecTests.cpp
index ca26bfbe..1091f870 100644
--- a/test/tcframe/spec/core/BaseProblemSpecTests.cpp
+++ b/test/tcframe/spec/core/BaseProblemSpecTests.cpp
@@ -57,13 +57,6 @@ class BaseProblemSpecTests : public Test {
         }
     };
 
-    class ProblemSpecWithIllegalStyleConfig : public ProblemSpec {
-    protected:
-        void StyleConfig() {
-            NoOutput();
-        }
-    };
-
     class ProblemSpecWithMultipleTestCasesConfig : public ProblemSpec {
     protected:
         void MultipleTestCasesConfig() {
@@ -118,15 +111,6 @@ TEST_F(BaseProblemSpecTests, StyleConfig) {
     EXPECT_FALSE(config.needsOutput());
 }
 
-TEST_F(BaseProblemSpecTests, StyleConfig_Illegal) {
-    try {
-        ProblemSpecWithIllegalStyleConfig().buildStyleConfig();
-        FAIL();
-    } catch (runtime_error& e) {
-        EXPECT_THAT(e.what(), StrEq("Problem that does not need output must need custom scorer"));
-    }
-}
-
 TEST_F(BaseProblemSpecTests, MultipleTestCasesConfig) {
     MultipleTestCasesConfig config = ProblemSpecWithMultipleTestCasesConfig().buildMultipleTestCasesConfig();
     EXPECT_TRUE(config.counter());