diff --git a/cmake/BuildParameters.cmake b/cmake/BuildParameters.cmake
index d266357511..b1b1447623 100644
--- a/cmake/BuildParameters.cmake
+++ b/cmake/BuildParameters.cmake
@@ -285,7 +285,9 @@ endif()
 # -Wno-unused-function: warn for function not used in release build
 # -Wno-unused-value: lots of warning for this kind of statements "0 && ...". There are used to disable some parts of code in release/dev build.
 # -Wno-overloaded-virtual: Gives a fair number of warnings under clang over in the wxwidget gui section of the code.
-set(DEFAULT_WARNINGS "-Wall -Wextra -Wno-attributes -Wno-unused-function -Wno-unused-parameter -Wno-missing-field-initializers -Wno-overloaded-virtual")
+# -Wno-deprecated-declarations: The USB plugins dialogs are written in straight gtk 2, which gives a million deprecated warnings. Suppress them until we can deal with them.
+
+set(DEFAULT_WARNINGS "-Wall -Wextra -Wno-attributes -Wno-unused-function -Wno-unused-parameter -Wno-missing-field-initializers -Wno-overloaded-virtual -Wno-deprecated-declarations")
 if (NOT USE_ICC)
     set(DEFAULT_WARNINGS "${DEFAULT_WARNINGS} -Wno-unused-value ")
 endif()