diff --git a/cmake/OpenCVCompilerOptions.cmake b/cmake/OpenCVCompilerOptions.cmake
index 334d469b96..abaae56b01 100644
--- a/cmake/OpenCVCompilerOptions.cmake
+++ b/cmake/OpenCVCompilerOptions.cmake
@@ -62,27 +62,27 @@ if(CMAKE_COMPILER_IS_GNUCXX)
 
   # Other optimizations
   if(ENABLE_OMIT_FRAME_POINTER)
-    set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -fomit-frame-pointer")
+    set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} -fomit-frame-pointer")
   else()
-    set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -fno-omit-frame-pointer")
+    set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} -fno-omit-frame-pointer")
   endif()
   if(ENABLE_FAST_MATH)
-    set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -ffast-math")
+    set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} -ffast-math")
   endif()
   if(ENABLE_POWERPC)
-    set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -mcpu=G3 -mtune=G5")
+    set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} -mcpu=G3 -mtune=G5")
   endif()
   if(ENABLE_SSE)
-    set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -msse")
+    set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} -msse")
   endif()
   if(ENABLE_SSE2)
-    set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -msse2")
+    set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} -msse2")
   endif()
 
   # SSE3 and further should be disabled under MingW because it generates compiler errors
   if(NOT MINGW)
     if(ENABLE_SSE3)
-      set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -msse3")
+      set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} -msse3")
     endif()
 
     if(${CMAKE_OPENCV_GCC_VERSION_NUM} GREATER 402)
@@ -94,14 +94,14 @@ if(CMAKE_COMPILER_IS_GNUCXX)
 
     if(HAVE_GCC42_OR_NEWER OR APPLE)
       if(ENABLE_SSSE3)
-        set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -mssse3")
+        set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} -mssse3")
       endif()
       if(HAVE_GCC43_OR_NEWER)
         if(ENABLE_SSE41)
-           set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -msse4.1")
+           set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} -msse4.1")
         endif()
         if(ENABLE_SSE42)
-           set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -msse4.2")
+           set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} -msse4.2")
         endif()
       endif()
     endif()
@@ -110,16 +110,16 @@ if(CMAKE_COMPILER_IS_GNUCXX)
   if(X86 OR X86_64)
     if(NOT APPLE AND CMAKE_SIZEOF_VOID_P EQUAL 4)
        if(ENABLE_SSE2)
-         set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -mfpmath=sse")# !! important - be on the same wave with x64 compilers
+         set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} -mfpmath=sse")# !! important - be on the same wave with x64 compilers
        else()
-         set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -mfpmath=387")
+         set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} -mfpmath=387")
        endif()
     endif()
   endif()
 
   # Profiling?
   if(ENABLE_PROFILING)
-    set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} -pg -g")
+    set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} -pg -g")
     # turn off incompatible options
     foreach(flags CMAKE_CXX_FLAGS CMAKE_C_FLAGS CMAKE_CXX_FLAGS_RELEASE CMAKE_C_FLAGS_RELEASE CMAKE_CXX_FLAGS_DEBUG CMAKE_C_FLAGS_DEBUG OPENCV_EXTRA_C_FLAGS_RELEASE)
       string(REPLACE "-fomit-frame-pointer" "" ${flags} "${${flags}}")
@@ -141,20 +141,20 @@ if(MSVC)
   # 64-bit MSVC compiler uses SSE/SSE2 by default
   if(NOT MSVC64)
     if(ENABLE_SSE)
-      set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} /arch:SSE")
+      set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} /arch:SSE")
     endif()
     if(ENABLE_SSE2)
-      set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} /arch:SSE2")
+      set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} /arch:SSE2")
     endif()
   endif()
   if(ENABLE_SSE3)
-    set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} /arch:SSE3")
+    set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} /arch:SSE3")
   endif()
   if(ENABLE_SSE4_1)
-    set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} /arch:SSE4.1")
+    set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} /arch:SSE4.1")
   endif()
   if(ENABLE_SSE OR ENABLE_SSE2 OR ENABLE_SSE3 OR ENABLE_SSE4_1)
-    set(OPENCV_EXTRA_C_FLAGS_RELEASE "${OPENCV_EXTRA_C_FLAGS_RELEASE} /Oi")
+    set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} /Oi")
   endif()
 endif()