diff --git a/crypto_sign/rainbowIIIc-classic/clean/Makefile b/crypto_sign/rainbowIIIc-classic/clean/Makefile
index d691908b..f6f31469 100644
--- a/crypto_sign/rainbowIIIc-classic/clean/Makefile
+++ b/crypto_sign/rainbowIIIc-classic/clean/Makefile
@@ -6,7 +6,7 @@ HEADERS = api.h blas_comm.h blas.h gf.h parallel_matrix_op.h rainbow_blas.h rain
 OBJECTS =  blas_comm.o parallel_matrix_op.o rainbow.o rainbow_keypair.o rainbow_keypair_computation.o sign.o utils_hash.o utils_prng.o blas.o gf.o
 
 
-CFLAGS=-O3 -Wcast-align=strict -Wall -Wconversion -Wextra -Wpedantic -Wvla -Werror -Wmissing-prototypes -Wredundant-decls -std=c99 -I../../../common $(EXTRAFLAGS)
+CFLAGS=-O3 -Wall -Wconversion -Wextra -Wpedantic -Wvla -Werror -Wmissing-prototypes -Wredundant-decls -std=c99 -I../../../common $(EXTRAFLAGS)
 
 all: $(LIB)
 
diff --git a/crypto_sign/rainbowIIIc-cyclic-compressed/clean/Makefile b/crypto_sign/rainbowIIIc-cyclic-compressed/clean/Makefile
index fe33fcad..81a0daf4 100644
--- a/crypto_sign/rainbowIIIc-cyclic-compressed/clean/Makefile
+++ b/crypto_sign/rainbowIIIc-cyclic-compressed/clean/Makefile
@@ -6,7 +6,7 @@ HEADERS = api.h blas_comm.h blas.h gf.h parallel_matrix_op.h rainbow_blas.h rain
 OBJECTS =  blas_comm.o parallel_matrix_op.o rainbow.o rainbow_keypair.o rainbow_keypair_computation.o sign.o utils_hash.o utils_prng.o blas.o gf.o
 
 
-CFLAGS=-O3 -Wcast-align=strict -Wall -Wconversion -Wextra -Wpedantic -Wvla -Werror -Wmissing-prototypes -Wredundant-decls -std=c99 -I../../../common $(EXTRAFLAGS)
+CFLAGS=-O3 -Wall -Wconversion -Wextra -Wpedantic -Wvla -Werror -Wmissing-prototypes -Wredundant-decls -std=c99 -I../../../common $(EXTRAFLAGS)
 
 all: $(LIB)
 
diff --git a/crypto_sign/rainbowIIIc-cyclic/clean/Makefile b/crypto_sign/rainbowIIIc-cyclic/clean/Makefile
index a759668d..ce4c7a9c 100644
--- a/crypto_sign/rainbowIIIc-cyclic/clean/Makefile
+++ b/crypto_sign/rainbowIIIc-cyclic/clean/Makefile
@@ -6,7 +6,7 @@ HEADERS = api.h blas_comm.h blas.h gf.h parallel_matrix_op.h rainbow_blas.h rain
 OBJECTS =  blas_comm.o parallel_matrix_op.o rainbow.o rainbow_keypair.o rainbow_keypair_computation.o sign.o utils_hash.o utils_prng.o blas.o gf.o
 
 
-CFLAGS=-O3 -Wcast-align=strict -Wall -Wconversion -Wextra -Wpedantic -Wvla -Werror -Wmissing-prototypes -Wredundant-decls -std=c99 -I../../../common $(EXTRAFLAGS)
+CFLAGS=-O3 -Wall -Wconversion -Wextra -Wpedantic -Wvla -Werror -Wmissing-prototypes -Wredundant-decls -std=c99 -I../../../common $(EXTRAFLAGS)
 
 all: $(LIB)
 
diff --git a/crypto_sign/rainbowIa-classic/clean/Makefile b/crypto_sign/rainbowIa-classic/clean/Makefile
index 5aa663c7..3327c0e3 100644
--- a/crypto_sign/rainbowIa-classic/clean/Makefile
+++ b/crypto_sign/rainbowIa-classic/clean/Makefile
@@ -6,7 +6,7 @@ HEADERS = api.h blas_comm.h blas.h gf.h parallel_matrix_op.h rainbow_blas.h rain
 OBJECTS =  blas_comm.o parallel_matrix_op.o rainbow.o rainbow_keypair.o rainbow_keypair_computation.o sign.o utils_hash.o utils_prng.o blas.o gf.o
 
 
-CFLAGS=-O3 -Wcast-align=strict -Wall -Wconversion -Wextra -Wpedantic -Wvla -Werror -Wmissing-prototypes -Wredundant-decls -std=c99 -I../../../common $(EXTRAFLAGS)
+CFLAGS=-O3 -Wall -Wconversion -Wextra -Wpedantic -Wvla -Werror -Wmissing-prototypes -Wredundant-decls -std=c99 -I../../../common $(EXTRAFLAGS)
 
 all: $(LIB)
 
diff --git a/crypto_sign/rainbowIa-cyclic-compressed/clean/Makefile b/crypto_sign/rainbowIa-cyclic-compressed/clean/Makefile
index df5864ca..afe0bf76 100644
--- a/crypto_sign/rainbowIa-cyclic-compressed/clean/Makefile
+++ b/crypto_sign/rainbowIa-cyclic-compressed/clean/Makefile
@@ -6,7 +6,7 @@ HEADERS = api.h blas_comm.h blas.h gf.h parallel_matrix_op.h rainbow_blas.h rain
 OBJECTS =  blas_comm.o parallel_matrix_op.o rainbow.o rainbow_keypair.o rainbow_keypair_computation.o sign.o utils_hash.o utils_prng.o blas.o gf.o
 
 
-CFLAGS=-O3 -Wcast-align=strict -Wall -Wconversion -Wextra -Wpedantic -Wvla -Werror -Wmissing-prototypes -Wredundant-decls -std=c99 -I../../../common $(EXTRAFLAGS)
+CFLAGS=-O3 -Wall -Wconversion -Wextra -Wpedantic -Wvla -Werror -Wmissing-prototypes -Wredundant-decls -std=c99 -I../../../common $(EXTRAFLAGS)
 
 all: $(LIB)
 
diff --git a/crypto_sign/rainbowIa-cyclic/clean/Makefile b/crypto_sign/rainbowIa-cyclic/clean/Makefile
index 3cd1e4b4..83d388f2 100644
--- a/crypto_sign/rainbowIa-cyclic/clean/Makefile
+++ b/crypto_sign/rainbowIa-cyclic/clean/Makefile
@@ -6,7 +6,7 @@ HEADERS = api.h blas_comm.h blas.h gf.h parallel_matrix_op.h rainbow_blas.h rain
 OBJECTS =  blas_comm.o parallel_matrix_op.o rainbow.o rainbow_keypair.o rainbow_keypair_computation.o sign.o utils_hash.o utils_prng.o blas.o gf.o
 
 
-CFLAGS=-O3 -Wcast-align=strict -Wall -Wconversion -Wextra -Wpedantic -Wvla -Werror -Wmissing-prototypes -Wredundant-decls -std=c99 -I../../../common $(EXTRAFLAGS)
+CFLAGS=-O3 -Wall -Wconversion -Wextra -Wpedantic -Wvla -Werror -Wmissing-prototypes -Wredundant-decls -std=c99 -I../../../common $(EXTRAFLAGS)
 
 all: $(LIB)
 
diff --git a/crypto_sign/rainbowVc-classic/clean/Makefile b/crypto_sign/rainbowVc-classic/clean/Makefile
index f87a02c7..6ba95365 100644
--- a/crypto_sign/rainbowVc-classic/clean/Makefile
+++ b/crypto_sign/rainbowVc-classic/clean/Makefile
@@ -6,7 +6,7 @@ HEADERS = api.h blas_comm.h blas.h gf.h parallel_matrix_op.h rainbow_blas.h rain
 OBJECTS =  blas_comm.o parallel_matrix_op.o rainbow.o rainbow_keypair.o rainbow_keypair_computation.o sign.o utils_hash.o utils_prng.o blas.o gf.o
 
 
-CFLAGS=-O3 -Wcast-align=strict -Wall -Wconversion -Wextra -Wpedantic -Wvla -Werror -Wmissing-prototypes -Wredundant-decls -std=c99 -I../../../common $(EXTRAFLAGS)
+CFLAGS=-O3 -Wall -Wconversion -Wextra -Wpedantic -Wvla -Werror -Wmissing-prototypes -Wredundant-decls -std=c99 -I../../../common $(EXTRAFLAGS)
 
 all: $(LIB)
 
diff --git a/crypto_sign/rainbowVc-cyclic-compressed/clean/Makefile b/crypto_sign/rainbowVc-cyclic-compressed/clean/Makefile
index 473ba21d..74a9b5ef 100644
--- a/crypto_sign/rainbowVc-cyclic-compressed/clean/Makefile
+++ b/crypto_sign/rainbowVc-cyclic-compressed/clean/Makefile
@@ -6,7 +6,7 @@ HEADERS = api.h blas_comm.h blas.h gf.h parallel_matrix_op.h rainbow_blas.h rain
 OBJECTS =  blas_comm.o parallel_matrix_op.o rainbow.o rainbow_keypair.o rainbow_keypair_computation.o sign.o utils_hash.o utils_prng.o blas.o gf.o
 
 
-CFLAGS=-O3 -Wcast-align=strict -Wall -Wconversion -Wextra -Wpedantic -Wvla -Werror -Wmissing-prototypes -Wredundant-decls -std=c99 -I../../../common $(EXTRAFLAGS)
+CFLAGS=-O3 -Wall -Wconversion -Wextra -Wpedantic -Wvla -Werror -Wmissing-prototypes -Wredundant-decls -std=c99 -I../../../common $(EXTRAFLAGS)
 
 all: $(LIB)
 
diff --git a/crypto_sign/rainbowVc-cyclic/clean/Makefile b/crypto_sign/rainbowVc-cyclic/clean/Makefile
index e7ad2a4a..d4fd2a80 100644
--- a/crypto_sign/rainbowVc-cyclic/clean/Makefile
+++ b/crypto_sign/rainbowVc-cyclic/clean/Makefile
@@ -6,7 +6,7 @@ HEADERS = api.h blas_comm.h blas.h gf.h parallel_matrix_op.h rainbow_blas.h rain
 OBJECTS =  blas_comm.o parallel_matrix_op.o rainbow.o rainbow_keypair.o rainbow_keypair_computation.o sign.o utils_hash.o utils_prng.o blas.o gf.o
 
 
-CFLAGS=-O3 -Wcast-align=strict -Wall -Wconversion -Wextra -Wpedantic -Wvla -Werror -Wmissing-prototypes -Wredundant-decls -std=c99 -I../../../common $(EXTRAFLAGS)
+CFLAGS=-O3 -Wall -Wconversion -Wextra -Wpedantic -Wvla -Werror -Wmissing-prototypes -Wredundant-decls -std=c99 -I../../../common $(EXTRAFLAGS)
 
 all: $(LIB)