diff --git a/CMakeLists.txt b/CMakeLists.txt
index 654553f6b..9a0bffb84 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -24,17 +24,14 @@ project(dfhack)
 macro(CHECK_GCC COMPILER_PATH)
   execute_process(COMMAND ${COMPILER_PATH} -dumpversion OUTPUT_VARIABLE GCC_VERSION_OUT)
   string(STRIP "${GCC_VERSION_OUT}" GCC_VERSION_OUT)
-  if (${GCC_VERSION_OUT} VERSION_LESS "4.5")
-    message(SEND_ERROR "${COMPILER_PATH} version ${GCC_VERSION_OUT} cannot be used - use GCC 4.5 or later")
+  if (${GCC_VERSION_OUT} VERSION_LESS "4.8")
+    message(SEND_ERROR "${COMPILER_PATH} version ${GCC_VERSION_OUT} cannot be used - use GCC 4.8 or later")
   elseif (${GCC_VERSION_OUT} VERSION_GREATER "4.9.9")
     # GCC 5 changes ABI name mangling to enable C++11 changes.
     # This must be disabled to enable linking against DF.
     # http://developerblog.redhat.com/2015/02/05/gcc5-and-the-c11-abi/
     add_definitions(-D_GLIBCXX_USE_CXX11_ABI=0)
   endif()
-  if(${GCC_VERSION_OUT} VERSION_LESS "4.8")
-    message(WARNING "You are using GCC < 4.8 (detected version: ${GCC_VERSION_OUT}). Support for GCC versions before 4.8 may be removed in the future.")
-  endif()
 endmacro()
 
 if(UNIX)