diff --git a/modules/juce_audio_basics/buffers/juce_FloatVectorOperations.cpp b/modules/juce_audio_basics/buffers/juce_FloatVectorOperations.cpp
index 20fc28301b..1d804a160c 100644
--- a/modules/juce_audio_basics/buffers/juce_FloatVectorOperations.cpp
+++ b/modules/juce_audio_basics/buffers/juce_FloatVectorOperations.cpp
@@ -815,11 +815,13 @@ void FloatVectorOperations::abs (float* dest, const float* src, int num) noexcep
    #if JUCE_USE_VDSP_FRAMEWORK
     vDSP_vabs ((float*) src, 1, dest, 1, (vDSP_Length) num);
    #else
-    union {float f; uint32 i;} signMask;
+    union { float f; uint32 i; } signMask;
     signMask.i = 0x7fffffffUL;
     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] = fabsf (src[i]), Mode::bit_and (s, mask),
                                   JUCE_LOAD_SRC, JUCE_INCREMENT_SRC_DEST,
                                   const Mode::ParallelType mask = Mode::load1 (signMask.f);)
+
+    ignoreUnused (signMask);
    #endif
 }
 
@@ -834,6 +836,8 @@ void FloatVectorOperations::abs (double* dest, const double* src, int num) noexc
     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] = fabs (src[i]), Mode::bit_and (s, mask),
                                   JUCE_LOAD_SRC, JUCE_INCREMENT_SRC_DEST,
                                   const Mode::ParallelType mask = Mode::load1 (signMask.d);)
+
+    ignoreUnused (signMask);
    #endif
 }
 
diff --git a/modules/juce_gui_basics/native/juce_win32_FileChooser.cpp b/modules/juce_gui_basics/native/juce_win32_FileChooser.cpp
index 0e5d3abe50..f610dfb758 100644
--- a/modules/juce_gui_basics/native/juce_win32_FileChooser.cpp
+++ b/modules/juce_gui_basics/native/juce_win32_FileChooser.cpp
@@ -225,7 +225,7 @@ void FileChooser::showPlatformDialog (Array<File>& results, const String& title_
         filter.copyToUTF16 (filters + (bytesWritten / sizeof (WCHAR)),
                             ((filterSpaceNumChars - 1) * sizeof (WCHAR) - bytesWritten));
 
-        for (int i = 0; i < filterSpaceNumChars; ++i)
+        for (size_t i = 0; i < filterSpaceNumChars; ++i)
             if (filters[i] == '|')
                 filters[i] = 0;