diff -Nrua uhd-4.9.0.0.orig/host/CMakeLists.txt uhd-4.9.0.0/host/CMakeLists.txt
--- uhd-4.9.0.0.orig/host/CMakeLists.txt	2025-09-01 15:24:04.000000000 +0200
+++ uhd-4.9.0.0/host/CMakeLists.txt	2025-09-29 13:27:38.331231692 +0200
@@ -321,7 +321,6 @@
     date_time
     filesystem
     program_options
-    system
     serialization
     thread
     unit_test_framework
diff -purN a/uhd-4.9.0.0/host/uhd.pc.in b/uhd-4.9.0.0/host/uhd.pc.in
--- uhd-4.9.0.0.orig/host/uhd.pc.in	2025-09-01 15:24:04.000000000 +0200
+++ uhd-4.9.0.0/host/uhd.pc.in	2025-10-11 20:32:54.031357131 +0200
@@ -11,5 +11,5 @@ Requires:
 Requires.private: @UHD_PC_REQUIRES@
 Conflicts:
 Cflags: -I${includedir} @UHD_PC_CFLAGS@
-Libs: -L${libdir} -luhd -lboost_system
+Libs: -L${libdir} -luhd
 Libs.private: @UHD_PC_LIBS@