diff --git a/src/chunks.jl b/src/chunks.jl
index 9755e74..76de0c2 100644
--- a/src/chunks.jl
+++ b/src/chunks.jl
@@ -351,7 +351,6 @@ function element_size(a::AbstractArray)
     elseif isbitstype(Base.nonmissingtype(eltype(a)))
         return sizeof(Base.nonmissingtype(eltype(a)))
     else
-        @warn "Can not determine size of element type. Using DiskArrays.fallback_element_size[] = $(fallback_element_size[]) bytes" maxlog=1
         return fallback_element_size[]
     end
 end