diff --git a/crypto/CMakeLists.txt b/crypto/CMakeLists.txt
index 50bff44c21..b215b32559 100644
--- a/crypto/CMakeLists.txt
+++ b/crypto/CMakeLists.txt
@@ -55,11 +55,11 @@ if(CONFIG_CRYPTO)
   list(APPEND SRCS hmac.c)
   if(CONFIG_CRYPTO_RANDOM_POOL)
     list(APPEND SRCS idgen.c)
+    list(APPEND SRCS curve25519.c)
   endif()
   list(APPEND SRCS key_wrap.c)
   list(APPEND SRCS siphash.c)
   list(APPEND SRCS hmac_buff.c)
-  list(APPEND SRCS curve25519.c)
   list(APPEND SRCS bn.c)
 
   # Entropy pool random number generator
diff --git a/crypto/Makefile b/crypto/Makefile
index de41512f5e..94b8d32ce4 100644
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -59,11 +59,11 @@ CRYPTO_CSRCS += cmac.c
 CRYPTO_CSRCS += hmac.c
 ifeq ($(CONFIG_CRYPTO_RANDOM_POOL),y)
   CRYPTO_CSRCS += idgen.c
+  CRYPTO_CSRCS += curve25519.c
 endif
 CRYPTO_CSRCS += key_wrap.c
 CRYPTO_CSRCS += siphash.c
 CRYPTO_CSRCS += hmac_buff.c
-CRYPTO_CSRCS += curve25519.c
 CRYPTO_CSRCS += bn.c
 
 # Entropy pool random number generator