diff --git a/app/boards/intel_adsp_ace15_mtpm.conf b/app/boards/intel_adsp_ace15_mtpm.conf
index 17271532dd1f..e3fd8b8efe4a 100644
--- a/app/boards/intel_adsp_ace15_mtpm.conf
+++ b/app/boards/intel_adsp_ace15_mtpm.conf
@@ -55,7 +55,6 @@ CONFIG_INTEL_MODULES=y
 CONFIG_LIBRARY_MANAGER=y
 CONFIG_LIBRARY_AUTH_SUPPORT=y
 CONFIG_LIBRARY_BASE_ADDRESS=0xa0688000
-CONFIG_LIBRARY_BUILD_LIB=y
 
 # SOF / logging
 CONFIG_SOF_LOG_LEVEL_INF=y
diff --git a/app/boards/intel_adsp_ace30_ptl.conf b/app/boards/intel_adsp_ace30_ptl.conf
index dbb003b08b94..2834c6d9d78d 100644
--- a/app/boards/intel_adsp_ace30_ptl.conf
+++ b/app/boards/intel_adsp_ace30_ptl.conf
@@ -45,7 +45,6 @@ CONFIG_ZEPHYR_NATIVE_DRIVERS=y
 CONFIG_INTEL_MODULES=y
 CONFIG_LIBRARY_MANAGER=y
 CONFIG_LIBRARY_BASE_ADDRESS=0xa0688000
-CONFIG_LIBRARY_BUILD_LIB=y
 CONFIG_LIBRARY_DEFAULT_MODULAR=n
 
 # SOF / logging