diff --git a/CMakeLists.txt b/CMakeLists.txt
index ac50d3b5..0572e27f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -864,8 +864,6 @@ endif()
 string(JOIN ", " MINIAUDIO_PC_REQUIRES_PRIVATE ${LINKED_LIBS})
 list(TRANSFORM COMMON_LINK_LIBRARIES PREPEND "-l")
 string(JOIN " " MINIAUDIO_PC_LIBS_PRIVATE ${COMMON_LINK_LIBRARIES})
-list(TRANSFORM COMPILE_DEFINES PREPEND "-D")
-string(JOIN " " MINIAUDIO_PC_CFLAGS ${COMPILE_DEFINES})
 
 configure_file("${CMAKE_CURRENT_SOURCE_DIR}/miniaudio.pc.in" "${CMAKE_CURRENT_BINARY_DIR}/miniaudio.pc" @ONLY)