diff --git a/driver-opencl.c b/driver-opencl.c
index b77614d3..e8a901dc 100644
--- a/driver-opencl.c
+++ b/driver-opencl.c
@@ -137,8 +137,10 @@ static enum cl_kernels select_kernel(char *arg)
 		return KL_POCLBM;
 	if (!strcmp(arg, "phatk"))
 		return KL_PHATK;
+#ifdef HAVE_SCRYPT
 	if (!strcmp(arg, "scrypt"))
 		return KL_SCRYPT;
+#endif
 	return KL_NONE;
 }
 
@@ -988,12 +990,15 @@ static cl_int queue_diablo_kernel(_clState *clState, dev_blk_ctx *blk, cl_uint t
 	return status;
 }
 
+#ifdef HAVE_SCRYPT
 static cl_int queue_scrypt_kernel(_clState *clState, dev_blk_ctx *blk, cl_uint threads)
 {
 	cl_int status = 0;
 
 	return status;
 }
+#endif
+
 static void set_threads_hashes(unsigned int vectors, unsigned int *threads,
 			       int64_t *hashes, size_t *globalThreads,
 			       unsigned int minthreads, int intensity)
@@ -1258,9 +1263,11 @@ static bool opencl_thread_prepare(struct thr_info *thr)
 		case KL_PHATK:
 			cgpu->kname = "phatk";
 			break;
+#ifdef HAVE_SCRYPT
 		case KL_SCRYPT:
 			cgpu->kname = "scrypt";
 			break;
+#endif
 		case KL_POCLBM:
 			cgpu->kname = "poclbm";
 			break;
@@ -1302,9 +1309,11 @@ static bool opencl_thread_init(struct thr_info *thr)
 		case KL_DIAKGCN:
 			thrdata->queue_kernel_parameters = &queue_diakgcn_kernel;
 			break;
+#ifdef HAVE_SCRYPT
 		case KL_SCRYPT:
 			thrdata->queue_kernel_parameters = &queue_scrypt_kernel;
 			break;
+#endif
 		default:
 		case KL_DIABLO:
 			thrdata->queue_kernel_parameters = &queue_diablo_kernel;
diff --git a/miner.h b/miner.h
index a9fa29c1..74824730 100644
--- a/miner.h
+++ b/miner.h
@@ -262,7 +262,9 @@ enum cl_kernels {
 	KL_PHATK,
 	KL_DIAKGCN,
 	KL_DIABLO,
+#ifdef HAVE_SCRYPT
 	KL_SCRYPT,
+#endif
 };
 
 enum dev_reason {