diff --git a/multimedia/svt-av1/Makefile b/multimedia/svt-av1/Makefile
index 90114e921d29..bf0d06070e12 100644
--- a/multimedia/svt-av1/Makefile
+++ b/multimedia/svt-av1/Makefile
@@ -30,6 +30,7 @@ post-patch:
 	@${REINPLACE_CMD} -i .flags -E -e 's/ -mavx//' \
 		-e 's/CMAKE_C_FLAGS "/&$${CMAKE_C_FLAGS} /' \
 		-e '/C_FLAGS_(RELEASE|DEBUG)/d' \
+		-e '/NASM_FLAGS_DEBUG/d' \
 		${WRKSRC}/CMakeLists.txt
 	@${REINPLACE_CMD} -i .flags -e 's/-march=core-avx2/-mavx2/' \
 		${WRKSRC}/Source/Lib/ASM_AVX2/CMakeLists.txt \
diff --git a/multimedia/svt-hevc/Makefile b/multimedia/svt-hevc/Makefile
index a78e3e34a45f..d74db6e69eeb 100644
--- a/multimedia/svt-hevc/Makefile
+++ b/multimedia/svt-hevc/Makefile
@@ -30,6 +30,7 @@ post-patch:
 	@${REINPLACE_CMD} -i .flags -E -e 's/ -march=native//' \
 		-e 's/-O2 -flto //' \
 		-e '/C_FLAGS_(RELEASE|DEBUG)/d' \
+		-e '/NASM_FLAGS_DEBUG/d' \
 		${WRKSRC}/CMakeLists.txt
 # Avoid devel/yasm dependency
 	@${REINPLACE_CMD} -i .typo 's/MAKE_ASM_NASM_COMPILER/s&/' \
diff --git a/multimedia/svt-vp9/Makefile b/multimedia/svt-vp9/Makefile
index dfd2b965d14d..6b9ea3dbf2ce 100644
--- a/multimedia/svt-vp9/Makefile
+++ b/multimedia/svt-vp9/Makefile
@@ -30,6 +30,7 @@ post-patch:
 	@${REINPLACE_CMD} -i .flags -E -e 's/ -mavx//' \
 		-e 's/-O2 -flto //' \
 		-e '/C_FLAGS_(RELEASE|DEBUG)/d' \
+		-e '/NASM_FLAGS_DEBUG/d' \
 		${WRKSRC}/CMakeLists.txt
 # Avoid devel/yasm dependency
 	@${REINPLACE_CMD} -i .typo 's/MAKE_ASM_NASM_COMPILER/s&/' \