diff --git a/src/utils/common/StringUtils.cpp b/src/utils/common/StringUtils.cpp
index 922ee1f1c45c..ae3418d47a52 100644
--- a/src/utils/common/StringUtils.cpp
+++ b/src/utils/common/StringUtils.cpp
@@ -205,26 +205,6 @@ StringUtils::substituteEnvironment(const std::string& str, const std::chrono::ti
 }
 
 
-std::string
-StringUtils::toTimeString(int time) {
-    std::ostringstream oss;
-    if (time < 0) {
-        oss << "-";
-        time = -time;
-    }
-    char buffer[10];
-    sprintf(buffer, "%02i:", (time / 3600));
-    oss << buffer;
-    time = time % 3600;
-    sprintf(buffer, "%02i:", (time / 60));
-    oss << buffer;
-    time = time % 60;
-    sprintf(buffer, "%02i", time);
-    oss << buffer;
-    return oss.str();
-}
-
-
 bool
 StringUtils::startsWith(const std::string& str, const std::string prefix) {
     return str.compare(0, prefix.length(), prefix) == 0;
diff --git a/src/utils/common/StringUtils.h b/src/utils/common/StringUtils.h
index eaa15c1f15bd..b95d968f929d 100644
--- a/src/utils/common/StringUtils.h
+++ b/src/utils/common/StringUtils.h
@@ -60,9 +60,6 @@ class StringUtils {
         syntax for a variable is ${NAME} */
     static std::string substituteEnvironment(const std::string& str, const std::chrono::time_point<std::chrono::system_clock>* const timeRef = nullptr);
 
-    /// Builds a time string (hh:mm:ss) from the given seconds
-    static std::string toTimeString(int time);
-
     /// Checks whether a given string starts with the prefix
     static bool startsWith(const std::string& str, const std::string prefix);
 
diff --git a/unittest/src/utils/common/StringUtilsTest.cpp b/unittest/src/utils/common/StringUtilsTest.cpp
index 661c7234e8f2..e44e8a22a30f 100644
--- a/unittest/src/utils/common/StringUtilsTest.cpp
+++ b/unittest/src/utils/common/StringUtilsTest.cpp
@@ -94,18 +94,6 @@ TEST(StringUtils, test_method_replace_empty_third_argument) {
     EXPECT_EQ("test", StringUtils::replace("ltestl", "l", ""));
 }
 
-
-/* Tests the method toTimeString. */
-TEST(StringUtils, test_method_toTimeString) {
-    EXPECT_EQ("-00:00:01", StringUtils::toTimeString(-1));
-    EXPECT_EQ("00:00:00", StringUtils::toTimeString(0));
-    EXPECT_EQ("00:00:00", StringUtils::toTimeString(-0));
-    EXPECT_EQ("01:00:00", StringUtils::toTimeString(3600));
-    EXPECT_EQ("00:00:01", StringUtils::toTimeString(1));
-    EXPECT_EQ("49:40:00", StringUtils::toTimeString(178800));
-    EXPECT_EQ("30883:00:01", StringUtils::toTimeString(111178801));
-}
-
 /* Tests the method escapeXML. */
 TEST(StringUtils, test_method_escapeXML) {
     std::string str;