diff --git a/plugins/LadspaEffect/swh/CMakeLists.txt b/plugins/LadspaEffect/swh/CMakeLists.txt
index 7860ee6cc..fb8b03400 100644
--- a/plugins/LadspaEffect/swh/CMakeLists.txt
+++ b/plugins/LadspaEffect/swh/CMakeLists.txt
@@ -17,7 +17,7 @@ ENDIF()
 
 # Additional compile flags
 SET(COMPILE_FLAGS "${COMPILE_FLAGS} -O3 -Wall")
-SET(COMPILE_FLAGS "${COMPILE_FLAGS} -fomit-frame-pointer -fstrength-reduce -funroll-loops -ffast-math -c -fno-strict-aliasing")
+SET(COMPILE_FLAGS "${COMPILE_FLAGS} -fomit-frame-pointer -funroll-loops -ffast-math -c -fno-strict-aliasing")
 SET(COMPILE_FLAGS "${COMPILE_FLAGS} ${PIC_FLAGS}")
 
 # Loop over every XML file
diff --git a/plugins/LadspaEffect/tap/CMakeLists.txt b/plugins/LadspaEffect/tap/CMakeLists.txt
index a8f444c31..0ae8ae54e 100644
--- a/plugins/LadspaEffect/tap/CMakeLists.txt
+++ b/plugins/LadspaEffect/tap/CMakeLists.txt
@@ -1,7 +1,7 @@
 INCLUDE_DIRECTORIES("${CMAKE_SOURCE_DIR}/include")
 FILE(GLOB PLUGIN_SOURCES tap-plugins/*.c)
 LIST(SORT PLUGIN_SOURCES)
-SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3 -Wno-write-strings -fomit-frame-pointer -fno-strict-aliasing -fstrength-reduce -funroll-loops -ffast-math")
+SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3 -Wno-write-strings -fomit-frame-pointer -fno-strict-aliasing -funroll-loops -ffast-math")
 FOREACH(_item ${PLUGIN_SOURCES})
 	GET_FILENAME_COMPONENT(_plugin "${_item}" NAME_WE)
 	ADD_LIBRARY("${_plugin}" MODULE "${_item}")