diff --git a/package/collectd/Config.in b/package/collectd/Config.in
index f693f31a4..a2e787787 100644
--- a/package/collectd/Config.in
+++ b/package/collectd/Config.in
@@ -240,6 +240,7 @@ config BR2_PACKAGE_COLLECTD_MYSQL
 	depends on BR2_INSTALL_LIBSTDCPP # mysql
 	depends on BR2_USE_MMU # mysql
 	depends on BR2_TOOLCHAIN_HAS_THREADS # mysql
+	depends on !BR2_avr32 # mysql
 	select BR2_PACKAGE_MYSQL
 	help
 	  Connects to a MySQL database and issues a "show status" command.
diff --git a/package/mysql/Config.in b/package/mysql/Config.in
index 7133892bb..9c5d6ed0d 100644
--- a/package/mysql/Config.in
+++ b/package/mysql/Config.in
@@ -3,6 +3,8 @@ config BR2_PACKAGE_MYSQL
 	depends on BR2_INSTALL_LIBSTDCPP
 	depends on BR2_USE_MMU # fork()
 	depends on BR2_TOOLCHAIN_HAS_THREADS
+	# Toolchain is not up to the task
+	depends on !BR2_avr32
 	select BR2_PACKAGE_NCURSES
 	select BR2_PACKAGE_READLINE
 	help
diff --git a/package/poco/Config.in b/package/poco/Config.in
index e8832e8df..8384b42be 100644
--- a/package/poco/Config.in
+++ b/package/poco/Config.in
@@ -55,6 +55,7 @@ config BR2_PACKAGE_POCO_DATA_SQLITE
 config BR2_PACKAGE_POCO_DATA_MYSQL
 	bool "mysql"
 	depends on BR2_USE_MMU # mysql
+	depends on !BR2_avr32 # mysql
 	select BR2_PACKAGE_POCO_DATA
 	select BR2_PACKAGE_MYSQL
 
diff --git a/package/qt5/qt5base/Config.in b/package/qt5/qt5base/Config.in
index 5d5b7f60e..70ddcd364 100644
--- a/package/qt5/qt5base/Config.in
+++ b/package/qt5/qt5base/Config.in
@@ -57,6 +57,7 @@ config BR2_PACKAGE_QT5BASE_MYSQL
 	select BR2_PACKAGE_NCURSES
 	select BR2_PACKAGE_READLINE
 	depends on BR2_USE_MMU # mysql
+	depends on !BR2_avr32 # mysql
 	help
 	  Build MySQL plugin
 	  If unsure, say n.
diff --git a/package/sconeserver/Config.in b/package/sconeserver/Config.in
index 0e0b07cb6..69995352a 100644
--- a/package/sconeserver/Config.in
+++ b/package/sconeserver/Config.in
@@ -35,6 +35,7 @@ config BR2_PACKAGE_SCONESERVER_HTTP_SCONESITE_IMAGE
 config BR2_PACKAGE_SCONESERVER_MYSQL
 	bool "mysql"
 	depends on BR2_USE_MMU # mysql
+	depends on !BR2_avr32 # mysql
 	select BR2_PACKAGE_MYSQL
 	help
 	  MySQL module for Sconeserver