diff --git a/Gems/EMotionFX/Code/MCore/Source/StringConversions.cpp b/Gems/EMotionFX/Code/MCore/Source/StringConversions.cpp
index 88a22db245..5f57a036c2 100644
--- a/Gems/EMotionFX/Code/MCore/Source/StringConversions.cpp
+++ b/Gems/EMotionFX/Code/MCore/Source/StringConversions.cpp
@@ -76,11 +76,6 @@ namespace MCore
 
 namespace AZStd
 {
-    void to_string(string& str, bool value)
-    {
-        str = value ? "true" : "false";
-    }
-
     void to_string(string& str, const AZ::Vector2& value)
     {
         str = AZStd::string::format("%.8f,%.8f", 
diff --git a/Gems/EMotionFX/Code/MCore/Source/StringConversions.h b/Gems/EMotionFX/Code/MCore/Source/StringConversions.h
index fd1c59208d..01b41091cf 100644
--- a/Gems/EMotionFX/Code/MCore/Source/StringConversions.h
+++ b/Gems/EMotionFX/Code/MCore/Source/StringConversions.h
@@ -49,7 +49,6 @@ namespace MCore
 
 namespace AZStd
 {
-    void to_string(string& str, bool value);
     void to_string(string& str, const AZ::Vector2& value);
     void to_string(string& str, const AZ::Vector3& value);
     void to_string(string& str, const AZ::Vector4& value);
@@ -57,7 +56,6 @@ namespace AZStd
     void to_string(string& str, const AZ::Matrix4x4& value);
     void to_string(string& str, const AZ::Transform& value);
 
-    inline AZStd::string to_string(bool val) { AZStd::string str; to_string(str, val); return str; }
     inline AZStd::string to_string(const AZ::Vector2& val) { AZStd::string str; to_string(str, val); return str; }
     inline AZStd::string to_string(const AZ::Vector3& val) { AZStd::string str; to_string(str, val); return str; }
     inline AZStd::string to_string(const AZ::Vector4& val) { AZStd::string str; to_string(str, val); return str; }