diff --git a/src/libs/clangsupport/modifiedtimechecker.h b/src/libs/clangsupport/modifiedtimechecker.h
index 0b7f97c5a34..89300c31d4b 100644
--- a/src/libs/clangsupport/modifiedtimechecker.h
+++ b/src/libs/clangsupport/modifiedtimechecker.h
@@ -51,7 +51,7 @@ public:
 
         updateCurrentSourceTimeStamps(sourceEntries);
 
-        return compareEntries(sourceEntries) && notReseted(sourceEntries);
+        return compareEntries(sourceEntries);
     }
 
     void pathsChanged(const FilePathIds &filePathIds) override
@@ -66,20 +66,6 @@ public:
                               }));
     }
 
-    void reset(const FilePathIds &filePathIds)
-    {
-        FilePathIds newResetFilePathIds;
-        newResetFilePathIds.reserve(newResetFilePathIds.size() + m_resetFilePathIds.size());
-
-        std::set_union(m_resetFilePathIds.begin(),
-                       m_resetFilePathIds.end(),
-                       filePathIds.begin(),
-                       filePathIds.end(),
-                       std::back_inserter(newResetFilePathIds));
-
-        m_resetFilePathIds = std::move(newResetFilePathIds);
-    }
-
 private:
     bool compareEntries(const SourceEntries &sourceEntries) const
     {
@@ -118,33 +104,13 @@ private:
                                                            m_fileSystem.lastModified(
                                                                sourceEntry.sourceId));
                             }),
-                            [](auto first, auto second) {
-                                return first.sourceId < second.sourceId && first.timeStamp > 0;
-                            });
+                            [](auto first, auto second) { return first.sourceId < second.sourceId; });
 
         return newTimeStamps;
     }
 
-    bool notReseted(const SourceEntries &sourceEntries) const
-    {
-        auto oldSize = m_resetFilePathIds.size();
-        FilePathIds newResetFilePathIds;
-        newResetFilePathIds.reserve(newResetFilePathIds.size());
-
-        std::set_difference(m_resetFilePathIds.begin(),
-                            m_resetFilePathIds.end(),
-                            sourceEntries.begin(),
-                            sourceEntries.end(),
-                            std::back_inserter(newResetFilePathIds));
-
-        m_resetFilePathIds = std::move(newResetFilePathIds);
-
-        return oldSize == m_resetFilePathIds.size();
-    }
-
 private:
     mutable SourceTimeStamps m_currentSourceTimeStamps;
-    mutable FilePathIds m_resetFilePathIds;
     FileSystemInterface &m_fileSystem;
 };
 
diff --git a/tests/unit/unittest/modifiedtimechecker-test.cpp b/tests/unit/unittest/modifiedtimechecker-test.cpp
index a2e97ccadac..7651039f93c 100644
--- a/tests/unit/unittest/modifiedtimechecker-test.cpp
+++ b/tests/unit/unittest/modifiedtimechecker-test.cpp
@@ -131,63 +131,4 @@ TEST_F(ModifiedTimeChecker, IsNotUpToDateAnyMoreAfterUpdating)
     ASSERT_FALSE(checker.isUpToDate(upToDateEntries));
 }
 
-TEST_F(ModifiedTimeChecker, Reset)
-{
-    checker.isUpToDate(upToDateEntries);
-
-    checker.reset({2, 3});
-
-    ASSERT_FALSE(checker.isUpToDate(upToDateEntries));
-}
-
-TEST_F(ModifiedTimeChecker, UpdateNonResetedId)
-{
-    checker.isUpToDate(upToDateEntries);
-
-    checker.reset({2, 3});
-
-    ASSERT_TRUE(checker.isUpToDate({upToDateEntries[0]}));
-}
-
-TEST_F(ModifiedTimeChecker, ResetTwoTimes)
-{
-    checker.isUpToDate(upToDateEntries);
-    checker.reset({2, 3});
-
-    checker.reset({2, 3});
-
-    ASSERT_FALSE(checker.isUpToDate(upToDateEntries));
-    ASSERT_TRUE(checker.isUpToDate(upToDateEntries));
-}
-
-TEST_F(ModifiedTimeChecker, ResetSecondUpdate)
-{
-    checker.isUpToDate(upToDateEntries);
-    checker.reset({2, 3});
-    checker.isUpToDate(upToDateEntries);
-
-    auto isUpToDate = checker.isUpToDate(upToDateEntries);
-
-    ASSERT_TRUE(isUpToDate);
-}
-
-TEST_F(ModifiedTimeChecker, ResetPartialUpdate)
-{
-    checker.isUpToDate(upToDateEntries);
-    checker.reset({2, 3});
-    checker.isUpToDate({upToDateEntries[1]});
-
-    ASSERT_FALSE(checker.isUpToDate({upToDateEntries[2]}));
-}
-
-TEST_F(ModifiedTimeChecker, ResetMoreIds)
-{
-    checker.isUpToDate(upToDateEntries);
-    checker.reset({2, 3});
-
-    checker.reset({1, 5});
-
-    ASSERT_FALSE(checker.isUpToDate({upToDateEntries[2]}));
-}
-
 } // namespace