diff --git a/tools/build-companion-nightly.sh b/tools/build-companion-nightly.sh
index 0f0ac3f1f..eaa8d355e 100755
--- a/tools/build-companion-nightly.sh
+++ b/tools/build-companion-nightly.sh
@@ -40,54 +40,71 @@ cd build
 
 cmake ${COMMON_OPTIONS} -DPCB=AR9X ${SRCDIR}
 make -j${JOBS} libsimulator
+rm CMakeCache.txt
 
 cmake ${COMMON_OPTIONS} -DPCB=SKY9X ${SRCDIR}
 make -j${JOBS} libsimulator
+rm CMakeCache.txt
 
 cmake ${COMMON_OPTIONS} -DPCB=9XRPRO ${SRCDIR}
 make -j${JOBS} libsimulator
+rm CMakeCache.txt
 
 cmake ${COMMON_OPTIONS} -DPCB=X9LITE ${SRCDIR}
 make -j${JOBS} libsimulator
+rm CMakeCache.txt
 
 cmake ${COMMON_OPTIONS} -DPCB=X9LITES ${SRCDIR}
 make -j${JOBS} libsimulator
+rm CMakeCache.txt
 
 cmake ${COMMON_OPTIONS} -DPCB=X7 ${SRCDIR}
 make -j${JOBS} libsimulator
+rm CMakeCache.txt
 
 cmake ${COMMON_OPTIONS} -DPCB=X7 -DPCBREV=T12 ${SRCDIR}
 make -j${JOBS} libsimulator
+rm CMakeCache.txt
 
 cmake ${COMMON_OPTIONS} -DPCB=X9D ${SRCDIR}
 make -j${JOBS} libsimulator
+rm CMakeCache.txt
 
 cmake ${COMMON_OPTIONS} -DPCB=X9D+ ${SRCDIR}
 make -j${JOBS} libsimulator
+rm CMakeCache.txt
 
 cmake ${COMMON_OPTIONS} -DPCB=X9D+ -DPCBREV=2019 ${SRCDIR}
 make -j${JOBS} libsimulator
+rm CMakeCache.txt
 
 cmake ${COMMON_OPTIONS} -DPCB=XLITE ${SRCDIR}
 make -j${JOBS} libsimulator
+rm CMakeCache.txt
 
 cmake ${COMMON_OPTIONS} -DPCB=XLITES ${SRCDIR}
 make -j${JOBS} libsimulator
+rm CMakeCache.txt
 
 cmake ${COMMON_OPTIONS} -DPCB=X9E ${SRCDIR}
 make -j${JOBS} libsimulator
+rm CMakeCache.txt
 
 cmake ${COMMON_OPTIONS} -DPCB=X10 ${SRCDIR}
 make -j${JOBS} libsimulator
+rm CMakeCache.txt
 
 cmake ${COMMON_OPTIONS} -DPCB=X10 -DPCBREV=T16 ${SRCDIR}
 make -j${JOBS} libsimulator
+rm CMakeCache.txt
 
 cmake ${COMMON_OPTIONS} -DPCB=X10 -DPCBREV=EXPRESS ${SRCDIR}
 make -j${JOBS} libsimulator
+rm CMakeCache.txt
 
 cmake ${COMMON_OPTIONS} -DPCB=X12S ${SRCDIR}
 make -j${JOBS} libsimulator
+rm CMakeCache.txt
 
 make -j${JOBS} package