diff --git a/host_applications/android/apps/vidtex/CMakeLists.txt b/host_applications/android/apps/vidtex/CMakeLists.txt
index 6d66d69..06a3192 100644
--- a/host_applications/android/apps/vidtex/CMakeLists.txt
+++ b/host_applications/android/apps/vidtex/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 2.8)
 
-SET(COMPILE_DEFINITIONS -Werror -Wall)
+SET(COMPILE_DEFINITIONS -Wall)
 
 # Set --no-as-needed to stop the linker discarding mmal_vc_client
 # as it can't see that the constructor registers a load of functionality
diff --git a/host_applications/linux/apps/dtmerge/CMakeLists.txt b/host_applications/linux/apps/dtmerge/CMakeLists.txt
index d173697..f37345f 100755
--- a/host_applications/linux/apps/dtmerge/CMakeLists.txt
+++ b/host_applications/linux/apps/dtmerge/CMakeLists.txt
@@ -4,7 +4,7 @@ get_filename_component (VIDEOCORE_ROOT ../../../.. ABSOLUTE)
 include (${VIDEOCORE_ROOT}/makefiles/cmake/global_settings.cmake)
 
 if (NOT WIN32)
-   add_definitions(-Wall -Werror)
+   add_definitions(-Wall)
 endif ()
 
 include_directories (
diff --git a/host_applications/linux/apps/dtoverlay/CMakeLists.txt b/host_applications/linux/apps/dtoverlay/CMakeLists.txt
index dd48d83..83613ab 100755
--- a/host_applications/linux/apps/dtoverlay/CMakeLists.txt
+++ b/host_applications/linux/apps/dtoverlay/CMakeLists.txt
@@ -4,7 +4,7 @@ get_filename_component (VIDEOCORE_ROOT ../../../.. ABSOLUTE)
 include (${VIDEOCORE_ROOT}/makefiles/cmake/global_settings.cmake)
 
 if (NOT WIN32)
-   add_definitions(-Wall -Werror)
+   add_definitions(-Wall)
 endif ()
 
 include_directories (
diff --git a/host_applications/linux/apps/gencmd/CMakeLists.txt b/host_applications/linux/apps/gencmd/CMakeLists.txt
index f95d1a1..02e09fe 100644
--- a/host_applications/linux/apps/gencmd/CMakeLists.txt
+++ b/host_applications/linux/apps/gencmd/CMakeLists.txt
@@ -4,7 +4,7 @@ if (WIN32)
    set(VCOS_PLATFORM win32)
 else ()
    set(VCOS_PLATFORM pthreads)
-   add_definitions(-Wall -Werror)
+   add_definitions(-Wall)
 endif ()
 
 include_directories( ../../../.. 
diff --git a/host_applications/linux/apps/raspicam/CMakeLists.txt b/host_applications/linux/apps/raspicam/CMakeLists.txt
index f7db21e..d34dd11 100644
--- a/host_applications/linux/apps/raspicam/CMakeLists.txt
+++ b/host_applications/linux/apps/raspicam/CMakeLists.txt
@@ -1,7 +1,7 @@
 
 # raspistill/raspivid/raspiyuv
 
-SET(COMPILE_DEFINITIONS -Werror)
+SET(COMPILE_DEFINITIONS)
 
 # Set --no-as-needed to stop the linker discarding mmal_vc_client
 # as it can't see that the constructor registers a load of functionality
diff --git a/host_applications/linux/apps/smem/CMakeLists.txt b/host_applications/linux/apps/smem/CMakeLists.txt
index 0fa8328..b840917 100644
--- a/host_applications/linux/apps/smem/CMakeLists.txt
+++ b/host_applications/linux/apps/smem/CMakeLists.txt
@@ -4,7 +4,7 @@ get_filename_component (VIDEOCORE_ROOT ../../../.. ABSOLUTE)
 include (${VIDEOCORE_ROOT}/makefiles/cmake/global_settings.cmake)
 
 if (NOT WIN32)
-   add_definitions(-Wall -Werror)
+   add_definitions(-Wall)
 endif ()
 
 include_directories (
diff --git a/host_applications/linux/libs/bcm_host/CMakeLists.txt b/host_applications/linux/libs/bcm_host/CMakeLists.txt
index a863cb6..5d7b339 100644
--- a/host_applications/linux/libs/bcm_host/CMakeLists.txt
+++ b/host_applications/linux/libs/bcm_host/CMakeLists.txt
@@ -3,7 +3,7 @@ if (WIN32)
    set(VCOS_PLATFORM win32)
 else ()
    set(VCOS_PLATFORM pthreads)
-   add_definitions(-Wall -Werror)
+   add_definitions(-Wall)
 endif ()
 
 # set this as we want all the source of vchostif to be available in libbcm_host
diff --git a/host_applications/linux/libs/sm/CMakeLists.txt b/host_applications/linux/libs/sm/CMakeLists.txt
index 5ce5aca..c41d729 100644
--- a/host_applications/linux/libs/sm/CMakeLists.txt
+++ b/host_applications/linux/libs/sm/CMakeLists.txt
@@ -3,7 +3,7 @@ if (WIN32)
    set(VCOS_PLATFORM win32)
 else ()
    set(VCOS_PLATFORM pthreads)
-   add_definitions(-Wall -Werror)
+   add_definitions(-Wall)
 endif ()
 
 include_directories( ../../../..
diff --git a/interface/mmal/CMakeLists.txt b/interface/mmal/CMakeLists.txt
index 46f149d..c5c1642 100644
--- a/interface/mmal/CMakeLists.txt
+++ b/interface/mmal/CMakeLists.txt
@@ -3,7 +3,7 @@ if (NOT DEFINED LIBRARY_TYPE)
 set(LIBRARY_TYPE SHARED)
 endif (NOT DEFINED LIBRARY_TYPE)
 
-add_definitions(-Wall -Werror)
+add_definitions(-Wall)
 
 add_library(mmal SHARED util/mmal_util.c)
 
diff --git a/interface/vcos/CMakeLists.txt b/interface/vcos/CMakeLists.txt
index 23a8d72..8e72b18 100644
--- a/interface/vcos/CMakeLists.txt
+++ b/interface/vcos/CMakeLists.txt
@@ -43,7 +43,7 @@ foreach (header ${HEADERS})
 endforeach ()
 
 if (CMAKE_COMPILER_IS_GNUCC)
-   add_definitions (-ggdb -Werror -Wall)
+   add_definitions (-ggdb -Wall)
 endif ()
 
 if (CMAKE_COMPILER_2005)
diff --git a/interface/vcos/pthreads/CMakeLists.txt b/interface/vcos/pthreads/CMakeLists.txt
index 1d81ca3..38d4813 100644
--- a/interface/vcos/pthreads/CMakeLists.txt
+++ b/interface/vcos/pthreads/CMakeLists.txt
@@ -1,7 +1,7 @@
 # MSVC5 does not fully support C99, enabling declaration-after-statement
 # warnings allows a common MSVC5 build error to be detected in Linux builds.
 if (CMAKE_COMPILER_IS_GNUCC)
-   set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Werror -Wdeclaration-after-statement")
+   set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wdeclaration-after-statement")
    add_definitions (-D_GNU_SOURCE)
 endif ()