diff --git a/CMakeLists.txt b/CMakeLists.txt
index 35d9581c6..6fd5824dd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -109,7 +109,6 @@ IF(QMC_CUDA)
   SET(CUDA_PRECISION_FULL double)
   IF(QMC_MIXED_PRECISION)
     SET(CUDA_PRECISION float)
-    SET(AFQMC_MIXED_PRECISION 1)
   ELSE(QMC_MIXED_PRECISION)
     SET(CUDA_PRECISION double)
   ENDIF(QMC_MIXED_PRECISION)
@@ -122,7 +121,6 @@ ELSE(QMC_CUDA)
   IF(QMC_MIXED_PRECISION)
     SET(OHMMS_PRECISION float)
     SET(MIXED_PRECISION 1)
-    SET(AFQMC_MIXED_PRECISION 1)
   ELSE(QMC_MIXED_PRECISION)
     SET(OHMMS_PRECISION double)
   ENDIF(QMC_MIXED_PRECISION)
@@ -206,7 +204,7 @@ SET(BUILD_AFQMC 0 CACHE BOOL "Build with AFQMC")
 If (BUILD_AFQMC AND NOT QMC_MPI)
   MESSAGE(FATAL_ERROR "AFQMC requires building with MPI (QMC_MPI=1). Set BUILD_AFQMC=0 or configure MPI.")
 ENDIF()
-If (BUILD_AFQMC AND QMC_CUDA AND NOT QMC_COMPLEX)
+If (BUILD_AFQMC AND ENABLE_CUDA AND NOT QMC_COMPLEX)
   MESSAGE(FATAL_ERROR "AFQMC only works on GPUs if QMC_COMPLEX=1.")
 ENDIF()
 #If (BUILD_AFQMC AND NOT QMC_COMPLEX)