diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5a5054f..0ecbe17 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,18 +1,5 @@
 cmake_minimum_required(VERSION 3.13)
 
-# If a defined C Compiler is not set
-if (NOT CMAKE_C_COMPILER)
-    # If the GCC flag is set, use GCC
-    if (GCC)
-        set(CMAKE_C_COMPILER "gcc")
-        set(CMAKE_CXX_COMPILER "g++")
-    # Otherwise default to clang
-    else()
-        set(CMAKE_C_COMPILER "clang")
-        set(CMAKE_CXX_COMPILER "clang++")
-    endif(GCC)
-endif(NOT CMAKE_C_COMPILER)
-
 # Make warnings trigger errors.
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Werror")
 
@@ -51,6 +38,7 @@ target_link_libraries(CreatureLibBattling CreatureLibLibrary)
 target_link_libraries(CreatureLibTests CreatureLibLibrary)
 
 if (WINDOWS)
+    set (CMAKE_CXX_FLAGS "-Wl,-allow-multiple-definition")
     # Statically link libraries we need in Windows.
     target_link_libraries(CreatureLibCore -static -static-libgcc -static-libstdc++)
     target_link_libraries(CreatureLibLibrary -static -static-libgcc -static-libstdc++)