diff --git a/cmake/modules/PopplerMacros.cmake b/cmake/modules/PopplerMacros.cmake
index 6cadf40..7e5e6b2 100644
--- a/cmake/modules/PopplerMacros.cmake
+++ b/cmake/modules/PopplerMacros.cmake
@@ -98,41 +98,10 @@ if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
   set(CMAKE_BUILD_TYPE RelWithDebInfo)
 endif(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
 
-if(CMAKE_COMPILER_IS_GNUCXX)
-  # set the default compile warnings
   set(DEFAULT_COMPILE_WARNINGS_NO)
   set(DEFAULT_COMPILE_WARNINGS_YES "-Wall -Wcast-align -fno-exceptions -fno-check-new -fno-common")
   set(DEFAULT_COMPILE_WARNINGS_KDE "-Wno-long-long -Wundef -D_XOPEN_SOURCE=600 -D_BSD_SOURCE -Wcast-align -Wconversion -Wall -W -Wpointer-arith -Wwrite-strings -Wformat-security -Wmissing-format-attribute -fno-exceptions -fno-check-new -fno-common")
 
-  set(CMAKE_CXX_FLAGS                "-Wnon-virtual-dtor -Woverloaded-virtual ${CMAKE_CXX_FLAGS}")
-  set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g")
-  set(CMAKE_CXX_FLAGS_RELEASE        "-O2 -DNDEBUG")
-  set(CMAKE_CXX_FLAGS_DEBUG          "-g -O2 -fno-reorder-blocks -fno-schedule-insns -fno-inline")
-  set(CMAKE_CXX_FLAGS_DEBUGFULL      "-g3 -fno-inline")
-  set(CMAKE_CXX_FLAGS_PROFILE        "-g3 -fno-inline -ftest-coverage -fprofile-arcs")
-  set(CMAKE_C_FLAGS                  "-std=c99")
-  set(CMAKE_C_FLAGS_RELWITHDEBINFO   "-O2 -g")
-  set(CMAKE_C_FLAGS_RELEASE          "-O2 -DNDEBUG")
-  set(CMAKE_C_FLAGS_DEBUG            "-g -O2 -fno-reorder-blocks -fno-schedule-insns -fno-inline")
-  set(CMAKE_C_FLAGS_DEBUGFULL        "-g3 -fno-inline")
-  set(CMAKE_C_FLAGS_PROFILE          "-g3 -fno-inline -ftest-coverage -fprofile-arcs")
-
-  poppler_check_link_flag("-Wl,--as-needed" GCC_HAS_AS_NEEDED)
-  if(GCC_HAS_AS_NEEDED)
-    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--as-needed")
-    set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,--as-needed")
-    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--as-needed")
-  endif(GCC_HAS_AS_NEEDED)
-endif (CMAKE_COMPILER_IS_GNUCXX)
-
-if(CMAKE_C_COMPILER MATCHES "icc")
-  set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g")
-  set(CMAKE_CXX_FLAGS_RELEASE        "-O2 -DNDEBUG")
-  set(CMAKE_CXX_FLAGS_DEBUG          "-O2 -g -0b0 -noalign")
-  set(CMAKE_CXX_FLAGS_DEBUGFULL      "-g -Ob0 -noalign")
-  set(CMAKE_C_FLAGS_RELWITHDEBINFO   "-O2 -g")
-  set(CMAKE_C_FLAGS_RELEASE          "-O2 -DNDEBUG")
-  set(CMAKE_C_FLAGS_DEBUG            "-O2 -g -Ob0 -noalign")
-  set(CMAKE_C_FLAGS_DEBUGFULL        "-g -Ob0 -noalign")
-endif(CMAKE_C_COMPILER MATCHES "icc")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wnon-virtual-dtor -Woverloaded-virtual")
 
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99")