diff --git a/include/class_loader/class_loader_core.h b/include/class_loader/class_loader_core.h
index afda035c..63b3aec0 100644
--- a/include/class_loader/class_loader_core.h
+++ b/include/class_loader/class_loader_core.h
@@ -258,8 +258,8 @@ Base * createInstance(const std::string & derived_class_name, ClassLoader * load
 
       obj = factory->create();
     } else {
-      throw(class_loader::CreateClassException(
-              "Could not create instance of type " + derived_class_name));
+      throw class_loader::CreateClassException(
+              "Could not create instance of type " + derived_class_name);
     }
   }
 
diff --git a/include/class_loader/class_loader_exceptions.h b/include/class_loader/class_loader_exceptions.h
index 1eaa358f..8bf74777 100644
--- a/include/class_loader/class_loader_exceptions.h
+++ b/include/class_loader/class_loader_exceptions.h
@@ -43,7 +43,7 @@ namespace class_loader
 class ClassLoaderException : public std::runtime_error
 {
 public:
-  explicit ClassLoaderException(const std::string error_desc)
+  explicit inline ClassLoaderException(const std::string error_desc)
   : std::runtime_error(error_desc) {}
 };
 
@@ -54,7 +54,7 @@ class ClassLoaderException : public std::runtime_error
 class LibraryLoadException : public ClassLoaderException
 {
 public:
-  explicit LibraryLoadException(const std::string error_desc)
+  explicit inline LibraryLoadException(const std::string error_desc)
   : ClassLoaderException(error_desc) {}
 };
 
@@ -65,7 +65,7 @@ class LibraryLoadException : public ClassLoaderException
 class LibraryUnloadException : public ClassLoaderException
 {
 public:
-  explicit LibraryUnloadException(const std::string error_desc)
+  explicit inline LibraryUnloadException(const std::string error_desc)
   : ClassLoaderException(error_desc) {}
 };
 
@@ -76,7 +76,7 @@ class LibraryUnloadException : public ClassLoaderException
 class CreateClassException : public ClassLoaderException
 {
 public:
-  explicit CreateClassException(const std::string error_desc)
+  explicit inline CreateClassException(const std::string error_desc)
   : ClassLoaderException(error_desc) {}
 };
 
@@ -87,7 +87,7 @@ class CreateClassException : public ClassLoaderException
 class NoClassLoaderExistsException : public ClassLoaderException
 {
 public:
-  explicit NoClassLoaderExistsException(const std::string error_desc)
+  explicit inline NoClassLoaderExistsException(const std::string error_desc)
   : ClassLoaderException(error_desc) {}
 };
 
diff --git a/src/class_loader_core.cpp b/src/class_loader_core.cpp
index f9885ee9..ecc69d6b 100644
--- a/src/class_loader_core.cpp
+++ b/src/class_loader_core.cpp
@@ -451,18 +451,18 @@ void loadLibrary(const std::string & library_path, ClassLoader * loader)
     } catch (const Poco::LibraryLoadException & e) {
       setCurrentlyLoadingLibraryName("");
       setCurrentlyActiveClassLoader(nullptr);
-      throw(class_loader::LibraryLoadException(
-              "Could not load library (Poco exception = " + std::string(e.message()) + ")"));
+      throw class_loader::LibraryLoadException(
+              "Could not load library (Poco exception = " + std::string(e.message()) + ")");
     } catch (const Poco::LibraryAlreadyLoadedException & e) {
       setCurrentlyLoadingLibraryName("");
       setCurrentlyActiveClassLoader(nullptr);
-      throw(class_loader::LibraryLoadException(
-              "Library already loaded (Poco exception = " + std::string(e.message()) + ")"));
+      throw class_loader::LibraryLoadException(
+              "Library already loaded (Poco exception = " + std::string(e.message()) + ")");
     } catch (const Poco::NotFoundException & e) {
       setCurrentlyLoadingLibraryName("");
       setCurrentlyActiveClassLoader(nullptr);
-      throw(class_loader::LibraryLoadException(
-              "Library not found (Poco exception = " + std::string(e.message()) + ")"));
+      throw class_loader::LibraryLoadException(
+              "Library not found (Poco exception = " + std::string(e.message()) + ")");
     }
 
     setCurrentlyLoadingLibraryName("");
@@ -549,12 +549,12 @@ void unloadLibrary(const std::string & library_path, ClassLoader * loader)
         return;
       } catch (const Poco::RuntimeException & e) {
         delete (library);
-        throw(class_loader::LibraryUnloadException(
-                "Could not unload library (Poco exception = " + std::string(e.message()) + ")"));
+        throw class_loader::LibraryUnloadException(
+                "Could not unload library (Poco exception = " + std::string(e.message()) + ")");
       }
     }
-    throw(class_loader::LibraryUnloadException(
-            "Attempt to unload library that class_loader is unaware of."));
+    throw class_loader::LibraryUnloadException(
+            "Attempt to unload library that class_loader is unaware of.");
   }
 }