diff --git a/base/div.jl b/base/div.jl
index 9316e496eac28..5d91ba5ec19bb 100644
--- a/base/div.jl
+++ b/base/div.jl
@@ -1,3 +1,5 @@
+# This file is a part of Julia. License is MIT: https://julialang.org/license
+
 # Div is truncating by default
 
 """
diff --git a/src/llvm-pass-helpers.cpp b/src/llvm-pass-helpers.cpp
index 7efb5394c968a..bdee45f08b2ae 100644
--- a/src/llvm-pass-helpers.cpp
+++ b/src/llvm-pass-helpers.cpp
@@ -1,4 +1,5 @@
 // This file is a part of Julia. License is MIT: https://julialang.org/license
+
 //
 // This file implements common functionality that is useful for the late GC frame
 // lowering and final GC intrinsic lowering passes. See the corresponding header
diff --git a/stdlib/LinearAlgebra/test/addmul.jl b/stdlib/LinearAlgebra/test/addmul.jl
index 87704a432ef32..42529f3f4f334 100644
--- a/stdlib/LinearAlgebra/test/addmul.jl
+++ b/stdlib/LinearAlgebra/test/addmul.jl
@@ -1,3 +1,5 @@
+# This file is a part of Julia. License is MIT: https://julialang.org/license
+
 module TestAddmul
 
 using Base: rtoldefault
diff --git a/stdlib/SparseArrays/test/forbidproperties.jl b/stdlib/SparseArrays/test/forbidproperties.jl
index e44e7bd97e11e..fd182cf065f1a 100644
--- a/stdlib/SparseArrays/test/forbidproperties.jl
+++ b/stdlib/SparseArrays/test/forbidproperties.jl
@@ -1,3 +1,5 @@
+# This file is a part of Julia. License is MIT: https://julialang.org/license
+
 using SparseArrays
 Base.getproperty(S::SparseMatrixCSC, ::Symbol) = error("use accessor function")
 Base.getproperty(S::SparseVector, ::Symbol) = error("use accessor function")
diff --git a/test/atexit.jl b/test/atexit.jl
index efe67de1f2026..a0ab0dcd677eb 100644
--- a/test/atexit.jl
+++ b/test/atexit.jl
@@ -1,3 +1,5 @@
+# This file is a part of Julia. License is MIT: https://julialang.org/license
+
 using Test
 
 @testset "atexit.jl" begin
diff --git a/test/compiler/contextual.jl b/test/compiler/contextual.jl
index e2b235830c2d4..302dcaa8d0223 100644
--- a/test/compiler/contextual.jl
+++ b/test/compiler/contextual.jl
@@ -1,3 +1,5 @@
+# This file is a part of Julia. License is MIT: https://julialang.org/license
+
 module MiniCassette
     # A minimal demonstration of the cassette mechanism. Doesn't support all the
     # fancy features, but sufficient to exercise this code path in the compiler.
diff --git a/test/ryu.jl b/test/ryu.jl
index 61d7491aceab5..9970942575e0a 100644
--- a/test/ryu.jl
+++ b/test/ryu.jl
@@ -1,3 +1,5 @@
+# This file is a part of Julia. License is MIT: https://julialang.org/license
+
 using Base.Ryu
 
 const maxMantissa = (UInt64(1) << 53) - 1